[ARM] 5549/1: Add clock api for w90p910 platform.

Add clock api for w90p910 platform.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-w90x900/Makefile b/arch/arm/mach-w90x900/Makefile
index 6287268..d50c94f 100644
--- a/arch/arm/mach-w90x900/Makefile
+++ b/arch/arm/mach-w90x900/Makefile
@@ -4,7 +4,7 @@
 
 # Object file lists.
 
-obj-y				:= irq.o time.o mfp-w90p910.o gpio.o
+obj-y				:= irq.o time.o mfp-w90p910.o gpio.o clock.o
 
 # W90X900 CPU support files