ARM: 6483/1: arm & sh: factorised duplicated clkdev.c

factorise some generic infrastructure to assist looking up struct clks
for the ARM & SH architecture.

as the code is identical at 99%

put the arch specific code for allocation as example in asm/clkdev.h

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-mmp/clock.h b/arch/arm/mach-mmp/clock.h
index 016ae94..9b027d7 100644
--- a/arch/arm/mach-mmp/clock.h
+++ b/arch/arm/mach-mmp/clock.h
@@ -6,7 +6,7 @@
  *  published by the Free Software Foundation.
  */
 
-#include <asm/clkdev.h>
+#include <linux/clkdev.h>
 
 struct clkops {
 	void			(*enable)(struct clk *);