media: atomisp: Stop setting sd->devnode for the ATOMISP_SUBDEV v4l2-subdev

Stop setting sd->devnode for the ATOMISP_SUBDEV v4l2-subdev, so that
a proper /dev/v4l-subdev# gets created for it.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/atomisp/pci/atomisp_subdev.c

@@ -802,7 +802,6 @@ static int isp_subdev_init_entities(struct atomisp_sub_device *asd)
 	sprintf(sd->name, "ATOMISP_SUBDEV");
 	v4l2_set_subdevdata(sd, asd);
 	sd->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE;
-	sd->devnode = &asd->video_out.vdev;
 
 	pads[ATOMISP_SUBDEV_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
 	pads[ATOMISP_SUBDEV_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;