Fix warning in nand unlock command

Commit ea533c260a801c4e51f92f75165cebe6d7b01e35 changed
arg_off_size to take a pointer to a device index, rather than
to the device itself.  When updating callers, the nand unlock
code was missed.

Signed-off-by: Scott Wood <scottwood@freescale.com>
1 file changed