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

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c
index 4d33507..702753c 100644
--- a/arch/sh/boards/mach-microdev/irq.c
+++ b/arch/sh/boards/mach-microdev/irq.c
@@ -14,7 +14,7 @@
 #include <linux/interrupt.h>
 #include <asm/system.h>
 #include <asm/io.h>
-#include <asm/microdev.h>
+#include <mach/microdev.h>
 
 #define NUM_EXTERNAL_IRQS 16	/* IRL0 .. IRL15 */