arm: mvebu: use GPIO support now that a driver is available

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/Kconfig

@@ -569,6 +569,7 @@ config ARCH_MVEBU
 	select COMMON_CLK
 	select PLAT_ORION
 	select PINCTRL
+	select ARCH_WANT_OPTIONAL_GPIOLIB
 	help
 	  Support for the Marvell SoC Family with device tree support
 

arch/arm/mach-mvebu/include/mach/gpio.h

@@ -0,0 +1 @@
+/* empty */