[ARM] Orion: GPIO support

Signed-off-by: Tzachi Perelstein <tzachi@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Acked-by: David Brownell <david-b@pacbell.net>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 37aa3c6..71e905e 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -337,6 +337,7 @@
 	bool "Marvell Orion"
 	depends on MMU
 	select PCI
+	select GENERIC_GPIO
 	help
 	  Support for Marvell Orion System on Chip family.