clk: add Loongson1B clock support

This adds clock support to Loongson1B SoC using the common clock
infrastructure.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index fa5e1d2..6492651 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -14,6 +14,7 @@
 ifeq ($(CONFIG_COMMON_CLK), y)
 obj-$(CONFIG_ARCH_MMP)		+= mmp/
 endif
+obj-$(CONFIG_MACH_LOONGSON1)	+= clk-ls1x.o
 
 # Chip specific
 obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o