pinctrl: bcm2835: Staticize bcm2835_gpio_pins

'bcm2835_gpio_pins' is used only in this file.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-bcm2835.c

@@ -113,7 +113,7 @@ static struct lock_class_key gpio_lock_class;
 
 /* pins are just named GPIO0..GPIO53 */
 #define BCM2835_GPIO_PIN(a) PINCTRL_PIN(a, "gpio" #a)
-struct pinctrl_pin_desc bcm2835_gpio_pins[] = {
+static struct pinctrl_pin_desc bcm2835_gpio_pins[] = {
 	BCM2835_GPIO_PIN(0),
 	BCM2835_GPIO_PIN(1),
 	BCM2835_GPIO_PIN(2),