media: ov5670: Add support for flash and lens devices

Parse async sub-devices related to the sensor by switching the async
sub-device registration function.

Signed-off-by: Sakari Ailus <[e-mail]>
Acked-by: Hans Verkuil <[e-mail]>
Reviewed-by: Sebastian Reichel <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/i2c/ov5670.c

···
 	}
 
 	/* Async register for subdev */
-	ret = v4l2_async_register_subdev(&ov5670->sd);
+	ret = v4l2_async_register_subdev_sensor_common(&ov5670->sd);
 	if (ret < 0) {
 		err_msg = "v4l2_async_register_subdev() error";
 		goto error_entity_cleanup;