gpio: latch: remove unneeded include

This driver no longer uses any GPIOLIB internal symbols. We can drop the
gpiolib.h include.

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bartosz Golaszewski <[e-mail]>

drivers/gpio/gpio-latch.c

···
 #include <linux/property.h>
 #include <linux/delay.h>
 
-#include "gpiolib.h"
-
 struct gpio_latch_priv {
 	struct gpio_chip gc;
 	struct gpio_descs *clk_gpios;