media: rcar-csi2: Set bus type when parsing fwnode

The only supported bus for the R-Car CSI-2 driver is CSI-2 DPHY, specify
this before parsing the fwnode.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/rcar-vin/rcar-csi2.c

@@ -877,7 +877,9 @@ static int rcsi2_parse_dt(struct rcar_csi2 *priv)
 	struct v4l2_async_subdev *asd;
 	struct fwnode_handle *fwnode;
 	struct fwnode_handle *ep;
-	struct v4l2_fwnode_endpoint v4l2_ep = { .bus_type = 0 };
+	struct v4l2_fwnode_endpoint v4l2_ep = {
+		.bus_type = V4L2_MBUS_CSI2_DPHY
+	};
 	int ret;
 
 	ep = fwnode_graph_get_endpoint_by_id(dev_fwnode(priv->dev), 0, 0, 0);