ARM: gpio: at91: convert drivers to use asm/gpio.h rather than mach/gpio.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index af9b781..b8a00ae 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -46,7 +46,7 @@
 
 #ifdef CONFIG_ARM
 #include <mach/cpu.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #endif
 
 #define PDC_BUFFER_SIZE		512