mtd: mxc_nand: add MX25 to Kconfig

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 677cd53..4f99274 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -444,7 +444,7 @@
 
 config MTD_NAND_MXC
 	tristate "MXC NAND support"
-	depends on ARCH_MX2 || ARCH_MX3
+	depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3
 	help
 	  This enables the driver for the NAND flash controller on the
 	  MXC processors.