armv8: ls1012ardb: add more board version information

Add LS1012ARDB RevC/RevC1/RevC2/RevD/RevE information and
detect it when u-boot starts up.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
2 files changed