gpio: exynos(s5p): remove gpio_xlate routine

With the addition of GPIO_ACTIVE_LOW parsing in gpio-uclass,
the Exynos/S5P gpio driver doesn't need a custom xlate routine.

Signed-off-by: Eric Nelson <eric@nelint.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Minkyu Kang <mk7.kang@samsung.com>

drivers/gpio/s5p_gpio.c

@@ -13,7 +13,6 @@
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <dm/device-internal.h>
-#include <dt-bindings/gpio/gpio.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -276,22 +275,12 @@ static int exynos_gpio_get_function(struct udevice *dev, unsigned offset)
 		return GPIOF_FUNC;
 }
 
-static int exynos_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
-			     struct fdtdec_phandle_args *args)
-{
-	desc->offset = args->args[0];
-	desc->flags = args->args[1] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0;
-
-	return 0;
-}
-
 static const struct dm_gpio_ops gpio_exynos_ops = {
 	.direction_input	= exynos_gpio_direction_input,
 	.direction_output	= exynos_gpio_direction_output,
 	.get_value		= exynos_gpio_get_value,
 	.set_value		= exynos_gpio_set_value,
 	.get_function		= exynos_gpio_get_function,
-	.xlate			= exynos_gpio_xlate,
 };
 
 static int gpio_exynos_probe(struct udevice *dev)