[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/mmc/mmci.c b/drivers/mmc/mmci.c
index 57375bc..a0cd916 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -20,12 +20,12 @@
 #include <linux/mmc/host.h>
 #include <linux/mmc/protocol.h>
 #include <linux/amba/bus.h>
+#include <linux/clk.h>
 
 #include <asm/div64.h>
 #include <asm/io.h>
 #include <asm/scatterlist.h>
 #include <asm/sizes.h>
-#include <asm/hardware/clock.h>
 #include <asm/mach/mmc.h>
 
 #include "mmci.h"