ns9xxx: add clock api

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
diff --git a/arch/arm/mach-ns9xxx/Makefile b/arch/arm/mach-ns9xxx/Makefile
index 67a9e30..41efaf9 100644
--- a/arch/arm/mach-ns9xxx/Makefile
+++ b/arch/arm/mach-ns9xxx/Makefile
@@ -1,4 +1,4 @@
-obj-y := irq.o generic.o gpio.o
+obj-y := clock.o generic.o gpio.o irq.o
 
 obj-$(CONFIG_MACH_CC9P9360DEV) += mach-cc9p9360dev.o
 obj-$(CONFIG_MACH_CC9P9360JS) += mach-cc9p9360js.o