wrl 5 : B4860 BSP : Rev2 board does not boot if Erratas for rev1 are removed if we remove the REv#1 erratas. the default BSP does not boot anymore on a rev2.x board.
/WRL_501x_CGP/wrlinux-5/wrlinux/configure --enable-rootfs=glibc_std --enable-kernel=preempt_rt --enable-board=fsl-b4xxx --enable-jobs=5 --enable-parallel-pkgbuilds=9 --with-sstate-dir=../sstate_dir --with-rcpl-version=0013 -> remove the rev#1 erratas -> rebuild kernel / boot.