[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/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index 621e8a9..9dc5473 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -46,12 +46,12 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/clk.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
 #include <asm/arch/map.h>
-#include <asm/hardware/clock.h>
 
 #undef S3C24XX_VA_WATCHDOG
 #define S3C24XX_VA_WATCHDOG (0)