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

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/mach-snapgear/setup.c
index a5e349d..a3277a2 100644
--- a/arch/sh/boards/mach-snapgear/setup.c
+++ b/arch/sh/boards/mach-snapgear/setup.c
@@ -19,7 +19,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <asm/machvec.h>
-#include <asm/snapgear.h>
+#include <mach/snapgear.h>
 #include <asm/irq.h>
 #include <asm/io.h>
 #include <cpu/timer.h>