drm/bridge: lt8912b: Drop unused includes

The Lontium bridge is including legacy header files for GPIO
but not using them. Delete the includes.

Cc: Adrien Grassein <[email protected]>
Cc: Robert Foss <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Reviewed-by: Adren Grassein <[email protected]>
Signed-off-by: Robert Foss <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: linusw

drivers/gpu/drm/bridge/lontium-lt8912b.c

@@ -7,8 +7,6 @@
 #include <linux/delay.h>
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
 #include <linux/regmap.h>
 
 #include <drm/drm_probe_helper.h>