[ARM] MX3: add NAND support

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 1c2e945..f8ae040 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -408,7 +408,7 @@
 
 config MTD_NAND_MXC
 	tristate "MXC NAND support"
-	depends on ARCH_MX2
+	depends on ARCH_MX2 || ARCH_MX3
 	help
 	  This enables the driver for the NAND flash controller on the
 	  MXC processors.