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: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index a1e21e8..14c7e4a 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -156,7 +156,7 @@
 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