feat(imx8mq): add version for B2

iMX8MQ B2 chip uses same OCOTP magic value with B1. So
read the ROM version to distinguish it with B1.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: I3e6865922deeb66816a0dddb49d986405e802b6f
1 file changed