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>

arch/arm/mach-imx/mach-mx35_3ds.c

@@ -46,11 +46,11 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/iomux-mx35.h>
-#include <mach/3ds_debugboard.h>
 #include <video/platform_lcd.h>
 
 #include <media/soc_camera.h>
 
+#include "3ds_debugboard.h"
 #include "devices-imx35.h"
 
 #define GPIO_MC9S08DZ60_GPS_ENABLE 0