arasan: nfc: Add initial nand driver support for arasan

Added initial nand driver support for arasan nand flash
controller.This supports nand erase,nand read, nand write
This uses the hardware ECC for read and write operations
ZynqMP uses this  driver.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
[scottwood: Fix checkpatch warnings]
Signed-off-by: Scott Wood <oss@buserror.net>

drivers/mtd/nand/Makefile

@@ -42,6 +42,7 @@ ifdef NORMAL_DRIVERS
 obj-$(CONFIG_NAND_ECC_BCH) += nand_bch.o
 
 obj-$(CONFIG_NAND_ATMEL) += atmel_nand.o
+obj-$(CONFIG_NAND_ARASAN) += arasan_nfc.o
 obj-$(CONFIG_DRIVER_NAND_BFIN) += bfin_nand.o
 obj-$(CONFIG_NAND_DAVINCI) += davinci_nand.o
 obj-$(CONFIG_NAND_DENALI) += denali.o