ARM: hisi: add ARCH_HISI

Since multiple ARCH configuration will be appended into mach-hisi
directory, add ARCH_HISI as common configuration for different platforms
in mach-hisi.
Signed-off-by: NHaojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: NWei Xu <xuwei5@hisilicon.com>
Signed-off-by: NOlof Johansson <olof@lixom.net>

arch/arm/Makefile

@@ -156,7 +156,7 @@ machine-$(CONFIG_ARCH_EP93XX)		+= ep93xx
 machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
 machine-$(CONFIG_ARCH_GEMINI)		+= gemini
 machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
-machine-$(CONFIG_ARCH_HI3xxx)		+= hisi
+machine-$(CONFIG_ARCH_HISI)		+= hisi
 machine-$(CONFIG_ARCH_INTEGRATOR)	+= integrator
 machine-$(CONFIG_ARCH_IOP13XX)		+= iop13xx
 machine-$(CONFIG_ARCH_IOP32X)		+= iop32x

arch/arm/mach-hisi/Kconfig

-config ARCH_HI3xxx
-	bool "Hisilicon Hi36xx/Hi37xx family" if ARCH_MULTI_V7
+config ARCH_HISI
+	bool "Hisilicon SoC Support"
+	depends on ARCH_MULTIPLATFORM
 	select ARM_AMBA
 	select ARM_GIC
 	select ARM_TIMER_SP804
+
+if ARCH_HISI
+
+menu "Hisilicon platform type"
+
+config ARCH_HI3xxx
+	bool "Hisilicon Hi36xx/Hi37xx family" if ARCH_MULTI_V7
 	select CACHE_L2X0
 	select HAVE_ARM_SCU if SMP
 	select HAVE_ARM_TWD if SMP
@@ -10,3 +18,7 @@ config ARCH_HI3xxx
 	select PINCTRL_SINGLE
 	help
 	  Support for Hisilicon Hi36xx/Hi37xx processor family
+
+endmenu
+
+endif