IFC NAND chip select is wrongly mapped to 2 in reg property of
NAND node. Due to this kernel is not able probe NAND flash. Set
chip select to 1 in reg property.
Signed-off-by: Jaiprakash Singh <b44839@freescale.com> Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>