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>
diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c
index 7c0313c..2f9c16d2 100644
--- a/arch/arm/mach-at91/board-ecbat91.c
+++ b/arch/arm/mach-at91/board-ecbat91.c
@@ -20,6 +20,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
@@ -37,7 +38,6 @@
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/cpu.h>
 
 #include "generic.h"