ARM: hi3xxx: add smp support

Enable SMP support on hi3xxx platform

Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Tested-by: Zhang Mingjun <zhang.mingjun@linaro.org>
Tested-by: Li Xin <li.xin@linaro.org>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
[khilman: fix checkpatch errors]
Signed-off-by: Kevin Hilman <khilman@linaro.org>
diff --git a/arch/arm/mach-hi3xxx/Makefile b/arch/arm/mach-hi3xxx/Makefile
index d68ebb3..7a869a7 100644
--- a/arch/arm/mach-hi3xxx/Makefile
+++ b/arch/arm/mach-hi3xxx/Makefile
@@ -3,3 +3,4 @@
 #
 
 obj-y	+= hi3xxx.o
+obj-$(CONFIG_SMP)		+= platsmp.o