media: imx: mipi csi-2: Implement get_fwnode_pad op

Use v4l2_subdev_get_fwnode_pad_1_to_1() as the get_fwnode_pad operation.
The MIPI CSI-2 receiver maps port numbers and pad indexes 1:1.
Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/imx/imx6-mipi-csi2.c

@@ -510,6 +510,7 @@ static int csi2_registered(struct v4l2_subdev *sd)
 static const struct media_entity_operations csi2_entity_ops = {
 	.link_setup = csi2_link_setup,
 	.link_validate = v4l2_subdev_link_validate,
+	.get_fwnode_pad = v4l2_subdev_get_fwnode_pad_1_to_1,
 };
 
 static const struct v4l2_subdev_video_ops csi2_video_ops = {