[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/arch/arm/mach-s3c2410/s3c2440-clock.c b/arch/arm/mach-s3c2410/s3c2440-clock.c
index c67e097..b557a2b 100644
--- a/arch/arm/mach-s3c2410/s3c2440-clock.c
+++ b/arch/arm/mach-s3c2410/s3c2440-clock.c
@@ -29,16 +29,15 @@
 #include <linux/err.h>
 #include <linux/device.h>
 #include <linux/sysdev.h>
-
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
+#include <linux/clk.h>
 
 #include <asm/hardware.h>
 #include <asm/atomic.h>
 #include <asm/irq.h>
 #include <asm/io.h>
 
-#include <asm/hardware/clock.h>
 #include <asm/arch/regs-clock.h>
 
 #include "clock.h"