ARM: imx: include board headers in the same folder

The headers that are only used by board files do not necessarily
need to be in plat-mxc/include/mach.  Move them to the same place
as those board files.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index 05996f3..c69df6c 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -40,8 +40,8 @@
 #include <mach/common.h>
 #include <mach/iomux-mx27.h>
 #include <mach/ulpi.h>
-#include <mach/3ds_debugboard.h>
 
+#include "3ds_debugboard.h"
 #include "devices-imx27.h"
 
 #define SD1_EN_GPIO		IMX_GPIO_NR(2, 25)