sh: Tidy up watchdog build for SH-2.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/include/asm/watchdog.h

@@ -13,8 +13,16 @@
 #ifdef __KERNEL__
 
 #include <linux/types.h>
+#include <linux/io.h>
+
+#define WTCNT_HIGH	0x5a
+#define WTCSR_HIGH	0xa5
+
+#define WTCSR_CKS2	0x04
+#define WTCSR_CKS1	0x02
+#define WTCSR_CKS0	0x01
+
 #include <cpu/watchdog.h>
-#include <asm/io.h>
 
 /*
  * See cpu-sh2/watchdog.h for explanation of this stupidity..
@@ -27,13 +35,6 @@
 #  define WTCSR_R	WTCSR
 #endif
 
-#define WTCNT_HIGH	0x5a
-#define WTCSR_HIGH	0xa5
-
-#define WTCSR_CKS2	0x04
-#define WTCSR_CKS1	0x02
-#define WTCSR_CKS0	0x01
-
 /*
  * CKS0-2 supports a number of clock division ratios. At the time the watchdog
  * is enabled, it defaults to a 41 usec overflow period .. we overload this to