ARM: mvebu: config: Enable NAND support

Enable the pxa3xx-nand driver, which now supports the NAND controller
in Armada 370/XP SoC.
Signed-off-by: NEzequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_defconfig

@@ -55,6 +55,8 @@ CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_CFI_AMDSTD=y
 CONFIG_MTD_CFI_STAA=y
 CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_PXA3xx=y
 CONFIG_SERIAL_8250_DW=y
 CONFIG_GPIOLIB=y
 CONFIG_GPIO_SYSFS=y