[MTD] [NAND] fix OOPS accessing flash operations over STM flash on PXA

STM 2Gb flash is a large-page NAND flash. Set operations accordingly.
This field is dereferenced without a check in several places resulting in
OOPS.

Signed-off-by: Denis V. Lunev <[e-mail]>
Acked-by: Eric Miao <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: David Woodhouse <[e-mail]>

drivers/mtd/nand/pxa3xx_nand.c

···
 
 static struct pxa3xx_nand_flash stm2GbX16 = {
 	.timing = &stm2GbX16_timing,
+	.cmdset	= &largepage_cmdset,
 	.page_per_block = 64,
 	.page_size = 2048,
 	.flash_width = 16,