gpio: mvebu: extra whitespace fixes

Fix whitespace errors missed by checkpatch.
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-mvebu.c

@@ -186,7 +186,6 @@ static void __iomem *mvebu_gpioreg_level_mask(struct mvebu_gpio_chip *mvchip)
 /*
  * Functions implementing the gpio_chip methods
  */
-
 static void mvebu_gpio_set(struct gpio_chip *chip, unsigned int pin, int value)
 {
 	struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);