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

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/board-shmin.c b/arch/sh/boards/board-shmin.c
index 16e5dae..5cc0867d 100644
--- a/arch/sh/boards/board-shmin.c
+++ b/arch/sh/boards/board-shmin.c
@@ -8,7 +8,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <asm/machvec.h>
-#include <asm/shmin.h>
+#include <mach/shmin.h>
 #include <asm/clock.h>
 #include <asm/io.h>