[media] v4l: mt9v032: Remove unneeded header

The of_gpio.h header isn't needed, don't include it.
Reported-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/i2c/mt9v032.c

@@ -19,7 +19,6 @@
 #include <linux/log2.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/videodev2.h>