Gemini: gpiolib based GPIO support v2

v2:
- update copyrights

Signed-off-by: Paulius Zaleckas <[email protected]>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5686f40..5b02040 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -278,6 +278,8 @@
 config ARCH_GEMINI
 	bool "Cortina Systems Gemini"
 	select CPU_FA526
+	select GENERIC_GPIO
+	select ARCH_REQUIRE_GPIOLIB
 	help
 	  Support for the Cortina Systems Gemini family SoCs