armv8: ls1088a: vid: Compiling VID specific functions for SPL

Enables and compiles VID specific functions for SPL.

Signed-off-by: Pankit Garg <pankit.garg@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>