media: ov7740: Fix number of controls hint

The driver has 12 controls, not 2.
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/i2c/ov7740.c

@@ -953,7 +953,7 @@ static int ov7740_init_controls(struct ov7740 *ov7740)
 	struct v4l2_ctrl_handler *ctrl_hdlr = &ov7740->ctrl_handler;
 	int ret;
 
-	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 2);
+	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 12);
 	if (ret < 0)
 		return ret;