ARM: imx: remove unnecessary inclusion from device-imx*.h

There is no need for device-imx*.h to include <soc>.h.  Remove them
and fix one indirect inclusion in mach-mx31ads.c.

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/devices-imx25.h

@@ -6,7 +6,6 @@
  * the terms of the GNU General Public License version 2 as published by the
  * Free Software Foundation.
  */
-#include <mach/mx25.h>
 #include <mach/devices-common.h>
 
 extern const struct imx_fec_data imx25_fec_data;