ARM: mach-shmobile: Fix up clkdev fallout for SH73A0.

Use the new linux/clkdev.h to get it building again.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/arm/mach-shmobile/clock-sh73a0.c

@@ -20,8 +20,8 @@
 #include <linux/kernel.h>
 #include <linux/io.h>
 #include <linux/sh_clk.h>
+#include <linux/clkdev.h>
 #include <mach/common.h>
-#include <asm/clkdev.h>
 
 #define FRQCRA		0xe6150000
 #define FRQCRB		0xe6150004