[ARM] Move asm/hardware/clock.h to linux/clk.h

This is needs to be visible to other architectures using the AMBA
bus and peripherals.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index cbab5d2..3df5eed 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -21,10 +21,10 @@
 #include <linux/err.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/kmi.h>
+#include <linux/clk.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/hardware/clock.h>
 
 #define KMI_BASE	(kmi->base)