[ARM] 4611/2: AT91: Fix GPIO buttons pins on SAM9261-EK.

The incorrect GPIO pins are being initialized for the buttons on the
Atmel AT91SAM9261-EK board.  This buggy configuration turns LCD screen
blue...
Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-at91/board-sam9261ek.c

@@ -382,14 +382,14 @@ static struct platform_device ek_button_device = {
 
 static void __init ek_add_device_buttons(void)
 {
-	at91_set_gpio_input(AT91_PIN_PB27, 0);	/* btn0 */
-	at91_set_deglitch(AT91_PIN_PB27, 1);
-	at91_set_gpio_input(AT91_PIN_PB26, 0);	/* btn1 */
-	at91_set_deglitch(AT91_PIN_PB26, 1);
-	at91_set_gpio_input(AT91_PIN_PB25, 0);	/* btn2 */
-	at91_set_deglitch(AT91_PIN_PB25, 1);
-	at91_set_gpio_input(AT91_PIN_PB24, 0);	/* btn3 */
-	at91_set_deglitch(AT91_PIN_PB24, 1);
+	at91_set_gpio_input(AT91_PIN_PA27, 0);	/* btn0 */
+	at91_set_deglitch(AT91_PIN_PA27, 1);
+	at91_set_gpio_input(AT91_PIN_PA26, 0);	/* btn1 */
+	at91_set_deglitch(AT91_PIN_PA26, 1);
+	at91_set_gpio_input(AT91_PIN_PA25, 0);	/* btn2 */
+	at91_set_deglitch(AT91_PIN_PA25, 1);
+	at91_set_gpio_input(AT91_PIN_PA24, 0);	/* btn3 */
+	at91_set_deglitch(AT91_PIN_PA24, 1);
 
 	platform_device_register(&ek_button_device);
 }