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/drivers/Makefile b/drivers/Makefile
index 14cf907..4af7d5b 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -114,3 +114,5 @@
 obj-$(CONFIG_STAGING)		+= staging/
 obj-y				+= platform/
 obj-y				+= ieee802154/
+#common clk code
+obj-y				+= clk/