backlight: gpio: Remove unneeded include

We no longer use any symbols from of_gpio.h. Remove this include.

Signed-off-by: Bartosz Golaszewski <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Reviewed-by: Daniel Thompson <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Lee Jones <[email protected]>

Author: brgl

drivers/video/backlight/gpio_backlight.c

@@ -12,7 +12,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include <linux/platform_data/gpio_backlight.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>