[ARM] S3C: Move regs-watchdog.h to arch/arm/plat-s3c/include/plat

Move  regs-watchdog.h to arch/arm/plat-s3c/include/plat ready
to clean out the old include directories

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 86d4280..13a4b17 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -42,7 +42,7 @@
 #undef S3C_VA_WATCHDOG
 #define S3C_VA_WATCHDOG (0)
 
-#include <asm/plat-s3c/regs-watchdog.h>
+#include <plat/regs-watchdog.h>
 
 #define PFX "s3c2410-wdt: "