pinctrl: at91: fix typo on PULL_UP

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-at91.c

@@ -58,7 +58,7 @@ static struct at91_gpio_chip *gpio_chips[MAX_GPIO_BANKS];
 
 static int gpio_banks;
 
-#define PULL_UP		(0 << 1)
+#define PULL_UP		(1 << 0)
 #define MULTI_DRIVE	(1 << 1)
 
 /**