i get kernel for my costom imx6ull board form
git clone https://source.codeaurora.org/external/imx/linux-imx
when check branch i get:
~/machangbao/nxp/linux-imx$ git branch -a
* master
remotes/origin/HEAD -> origin/master
remotes/origin/git.kernel.org/linux-stable/linux-2.6.11.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.12.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.13.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.14.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.15.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.16.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.17.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.18.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.19.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.20.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.21.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.22.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.23.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.24.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.25.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.26.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.27.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.28.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.29.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.30.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.31.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.32.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.33.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.34.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.35.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.36.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.37.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.38.y
remotes/origin/git.kernel.org/linux-stable/linux-2.6.39.y
remotes/origin/git.kernel.org/linux-stable/linux-3.0.y
remotes/origin/git.kernel.org/linux-stable/linux-3.1.y
remotes/origin/git.kernel.org/linux-stable/linux-3.10.y
remotes/origin/git.kernel.org/linux-stable/linux-3.11.y
remotes/origin/git.kernel.org/linux-stable/linux-3.12.y
remotes/origin/git.kernel.org/linux-stable/linux-3.13.y
remotes/origin/git.kernel.org/linux-stable/linux-3.14.y
remotes/origin/git.kernel.org/linux-stable/linux-3.15.y
remotes/origin/git.kernel.org/linux-stable/linux-3.16.y
remotes/origin/git.kernel.org/linux-stable/linux-3.17.y
remotes/origin/git.kernel.org/linux-stable/linux-3.18.y
remotes/origin/git.kernel.org/linux-stable/linux-3.19.y
remotes/origin/git.kernel.org/linux-stable/linux-3.2.y
remotes/origin/git.kernel.org/linux-stable/linux-3.3.y
remotes/origin/git.kernel.org/linux-stable/linux-3.4.y
remotes/origin/git.kernel.org/linux-stable/linux-3.5.y
remotes/origin/git.kernel.org/linux-stable/linux-3.6.y
remotes/origin/git.kernel.org/linux-stable/linux-3.7.y
remotes/origin/git.kernel.org/linux-stable/linux-3.8.y
remotes/origin/git.kernel.org/linux-stable/linux-3.9.y
remotes/origin/git.kernel.org/linux-stable/linux-4.0.y
remotes/origin/git.kernel.org/linux-stable/linux-4.1.y
remotes/origin/git.kernel.org/linux-stable/linux-4.10.y
remotes/origin/git.kernel.org/linux-stable/linux-4.11.y
remotes/origin/git.kernel.org/linux-stable/linux-4.12.y
remotes/origin/git.kernel.org/linux-stable/linux-4.13.y
remotes/origin/git.kernel.org/linux-stable/linux-4.14.y
remotes/origin/git.kernel.org/linux-stable/linux-4.15.y
remotes/origin/git.kernel.org/linux-stable/linux-4.16.y
remotes/origin/git.kernel.org/linux-stable/linux-4.17.y
remotes/origin/git.kernel.org/linux-stable/linux-4.18.y
remotes/origin/git.kernel.org/linux-stable/linux-4.19.y
remotes/origin/git.kernel.org/linux-stable/linux-4.2.y
remotes/origin/git.kernel.org/linux-stable/linux-4.20.y
remotes/origin/git.kernel.org/linux-stable/linux-4.3.y
remotes/origin/git.kernel.org/linux-stable/linux-4.4.y
remotes/origin/git.kernel.org/linux-stable/linux-4.5.y
remotes/origin/git.kernel.org/linux-stable/linux-4.6.y
remotes/origin/git.kernel.org/linux-stable/linux-4.7.y
remotes/origin/git.kernel.org/linux-stable/linux-4.8.y
remotes/origin/git.kernel.org/linux-stable/linux-4.9.y
remotes/origin/git.kernel.org/linux-stable/linux-5.0.y
remotes/origin/git.kernel.org/linux-stable/linux-5.1.y
remotes/origin/git.kernel.org/linux-stable/linux-5.2.y
remotes/origin/git.kernel.org/linux-stable/linux-5.3.y
remotes/origin/git.kernel.org/linux-stable/linux-5.4.y
remotes/origin/git.kernel.org/linux-stable/linux-5.5.y
remotes/origin/git.kernel.org/linux-stable/linux-5.6.y
remotes/origin/git.kernel.org/linux-stable/linux-5.7.y
remotes/origin/git.kernel.org/linux-stable/master
remotes/origin/imx_2.6.28
remotes/origin/imx_2.6.31_caf
remotes/origin/imx_2.6.35_1.1.0_caf
remotes/origin/imx_2.6.35_android_r10.3_caf
remotes/origin/imx_2.6.35_caf
remotes/origin/imx_2.6.35_maintain_caf
remotes/origin/imx_2.6.38_android_caf
remotes/origin/imx_2.6.38_android_ics14_caf
remotes/origin/imx_2.6.38_caf
remotes/origin/imx_3.0.101_caf
remotes/origin/imx_3.0.15_android_caf
remotes/origin/imx_3.0.15_caf
remotes/origin/imx_3.0.35_1.1.0_caf
remotes/origin/imx_3.0.35_3.0.0_caf
remotes/origin/imx_3.0.35_4.0.0_caf
remotes/origin/imx_3.0.35_4.1.0_caf
remotes/origin/imx_3.0.35_android_jb4.2.2_1.y_caf
remotes/origin/imx_3.0.35_android_jb4.3_1.y_caf
remotes/origin/imx_3.0.35_android_kk4.4.2_1.y_caf
remotes/origin/imx_3.10.17_1.0.0_ga_caf
remotes/origin/imx_3.10.17_1.0.1_ga_caf
remotes/origin/imx_3.10.53_1.1.0_ga_caf
remotes/origin/imx_3.14.28_1.0.0_ga_caf
remotes/origin/imx_3.14.38_6qp_ga
remotes/origin/imx_3.14.52_1.1.0_ga
remotes/origin/imx_3.14.y_android
remotes/origin/imx_4.1.15_1.0.0_ga
remotes/origin/imx_4.1.15_2.0.0_ga
remotes/origin/imx_4.1.y_brillo
remotes/origin/imx_4.14.62_1.0.0_beta
remotes/origin/imx_4.14.78_1.0.0_ga
remotes/origin/imx_4.14.98_2.0.0_ga
remotes/origin/imx_4.14.98_2.1.0
remotes/origin/imx_4.14.98_2.2.0
remotes/origin/imx_4.14.98_2.3.0
remotes/origin/imx_4.14.98_8qxpc0_er
remotes/origin/imx_4.19.35_1.0.0
remotes/origin/imx_4.19.35_1.1.0
remotes/origin/imx_4.9.11_1.0.0_ga
remotes/origin/imx_4.9.11_android_ga
remotes/origin/imx_4.9.123_imx8mm_ga
remotes/origin/imx_4.9.51_imx8_beta1
remotes/origin/imx_4.9.51_imx8_beta2
remotes/origin/imx_4.9.51_imx8m_beta
remotes/origin/imx_4.9.51_imx8m_ga
remotes/origin/imx_4.9.88_2.0.0_ga
remotes/origin/imx_4.9.88_imx8mm_alpha
remotes/origin/imx_4.9.88_imx8qxp_beta2
remotes/origin/imx_4.9.y_android_imx8_beta1
remotes/origin/imx_4.9.y_android_imx8_beta2
remotes/origin/imx_4.9.y_android_imx8m_beta
remotes/origin/imx_5.4.0_8dxlphantom_er
remotes/origin/imx_5.4.24_2.1.0
remotes/origin/imx_5.4.3_2.0.0
remotes/origin/korg/WIP-syscall
remotes/origin/korg/master
remotes/origin/korg/proc-cmdline
remotes/origin/lf-5.4.y
remotes/origin/master
remotes/origin/scm-imx_4.1.15_2.0.0_ga
Which version of the kernel above is suitable for our long-term maintenance product？
as i know there are several LTS kernel versions.
And How can i know which branch above is out of maintenance from NXP?
