The example is to change the i.MX8QXP MEK debug uart(lpuart0) to the base board(lpuart2).
The lpuart2 is J37 on base board.
uart2-linux-uart2_L5.4.70_2.3.0.diff, uart2-u-boot-method1_L5.4.70_2.3.0.diff and uart2-u-boot-method2_L5.4.70_2.3.0.diff are the patches.
