This commit adds RT functionality to the CCiMX93
platform. The patches have been extracted from the
NXP real time edge BSP and include the maineline RT
patches and the NXP RT driver patches and RT Kernel
defconfig changes.
https://onedigi.atlassian.net/browse/DEL-8881
Signed-off-by: Mike Engel <Mike.Engel@digi.com>