ARM: hi3xxx: add board support with device tree

Add board support with device tree for Hisilicon Hi3620 SoC platform.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
[khilman: fix checkpatch errors]
[khilman: fold in patch which selects GPIO in Kconfig]
Signed-off-by: Kevin Hilman <khilman@linaro.org>
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c99b108..dfbafa3 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -156,6 +156,7 @@
 machine-$(CONFIG_ARCH_EP93XX)		+= ep93xx
 machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
 machine-$(CONFIG_ARCH_GEMINI)		+= gemini
+machine-$(CONFIG_ARCH_HI3xxx)		+= hi3xxx
 machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
 machine-$(CONFIG_ARCH_INTEGRATOR)	+= integrator
 machine-$(CONFIG_ARCH_IOP13XX)		+= iop13xx