sh: Migrate common board headers to mach-common/.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/mach-sdk7780/irq.c b/arch/sh/boards/mach-sdk7780/irq.c
index 87cdc57..8555581 100644
--- a/arch/sh/boards/mach-sdk7780/irq.c
+++ b/arch/sh/boards/mach-sdk7780/irq.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
-#include <asm/sdk7780.h>
+#include <mach/sdk7780.h>
 
 enum {
 	UNUSED = 0,