ARM: gpio: convert includes of mach/gpio.h and asm/gpio.h to linux/gpio.h

Convert arch/arm includes of mach/gpio.h and asm/gpio.h to linux/gpio.h
before we start consolidating the individual platform implementations
of the gpio header files.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/plat-omap/devices.c

@@ -8,7 +8,7 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -24,7 +24,6 @@
 #include <plat/tc.h>
 #include <plat/board.h>
 #include <plat/mmc.h>
-#include <mach/gpio.h>
 #include <plat/menelaus.h>
 #include <plat/mcbsp.h>
 #include <plat/omap44xx.h>