pinctrl: vt8500: drop the wrapper around pinctrl_gpio_direction_input()

pinctrl_gpio_direction_input() now has the same signature as the
wrapper around it so we can drop them.

Signed-off-by: Bartosz Golaszewski <[e-mail]>
Acked-by: Linus Walleij <[e-mail]>

drivers/pinctrl/vt8500/pinctrl-wmt.c

···
 		wmt_clearbits(data, reg_data_out, BIT(bit));
 }
 
-static int wmt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-{
-	return pinctrl_gpio_direction_input(chip, offset);
-}
-
 static int wmt_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
 				     int value)
 {
···
 	.request = gpiochip_generic_request,
 	.free = gpiochip_generic_free,
 	.get_direction = wmt_gpio_get_direction,
-	.direction_input = wmt_gpio_direction_input,
+	.direction_input = pinctrl_gpio_direction_input,
 	.direction_output = wmt_gpio_direction_output,
 	.get = wmt_gpio_get_value,
 	.set = wmt_gpio_set_value,