Dear NXP ,
HW platform : imx8mplus
SW : nxp-image-real-time-edge 2.2
Please refer to my steps:
$ mkdir yocto-real-time-edge
$ cd yocto-real-time-edge
$ repo init -u https://github.com/real-time-edge-sw/yocto-real-time-edge.git -b real-time-edge-hardknott -m real-time-edge-2.2.0.xml
$ repo sync
DISTRO=nxp-real-time-edge MACHINE=imx8mp-lpddr4-evk source real-time-edge-setup-env.sh -b real-time-build
$ bitbake nxp-image-real-time-edge