arch/arm/mach-pxa/: included linux/gpio.h twice

arch/arm/mach-pxa/pxa25x.c and arch/arm/mach-pxa/saarb.c
included 'linux/gpio.h' twice, remove the duplicates.
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

arch/arm/mach-pxa/pxa25x.c

@@ -25,7 +25,6 @@
 #include <linux/suspend.h>
 #include <linux/syscore_ops.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 
 #include <asm/mach/map.h>
 #include <asm/suspend.h>

arch/arm/mach-pxa/saarb.c

@@ -15,7 +15,6 @@
 #include <linux/i2c.h>
 #include <linux/i2c/pxa-i2c.h>
 #include <linux/mfd/88pm860x.h>
-#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>