ARM: mvebu: Update defconfig to select SPI flash and MTD support

The Armada XP DB-MV784MP-GP board has an SPI flash device.
These options allow to access that device over MTD.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_defconfig

@@ -42,6 +42,9 @@ CONFIG_I2C=y
 CONFIG_SPI=y
 CONFIG_SPI_ORION=y
 CONFIG_I2C_MV64XXX=y
+CONFIG_MTD=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_M25P80=y
 CONFIG_SERIAL_8250_DW=y
 CONFIG_GPIOLIB=y
 CONFIG_GPIO_SYSFS=y