Starting from revision F we need to set nWP before writing to
flash. Create a new NAND command that can be used for that and
use it for fwup, booting and recovery mode. We assume that the
payload runs a RW filesystem so we set the GPIO before booting
the system.
Conflicts:
board/davinci/sysmobts_v2/sysmobts_v2.c
include/configs/davinci_sysmobts_v2.h
include/nand.h
ca2f91dbcb