[MTD] Add support for NDFC NAND controller

NDFC NAND Flash controller is embedded in PPC EP44x SoCs.
Add platform driver based support.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 3347508..f747593 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -21,5 +21,6 @@
 obj-$(CONFIG_MTD_NAND_TS7250)		+= ts7250.o
 obj-$(CONFIG_MTD_NAND_NANDSIM)		+= nandsim.o
 obj-$(CONFIG_MTD_NAND_CS553X)		+= cs553x_nand.o
+obj-$(CONFIG_MTD_NAND_NDFC)		+= ndfc.o
 
 nand-objs = nand_base.o nand_bbt.o