ARM: mvebu: add gpio-keys and input event support in defconfig

Some Armada 370/XP boards have GPIO buttons, so it makes sense to
enable gpio-keys and the input event interface in mvebu_defconfig.
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_defconfig

@@ -39,6 +39,8 @@ CONFIG_MVNETA=y
 CONFIG_MARVELL_PHY=y
 CONFIG_MWIFIEX=y
 CONFIG_MWIFIEX_SDIO=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_GPIO=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_I2C=y