media: et8ek8: 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: NSakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Acked-by: NPavel Machek <pavel@ucw.cz>
Reviewed-by: NSebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/i2c/et8ek8/et8ek8_driver.c

@@ -1453,7 +1453,7 @@ static int et8ek8_probe(struct i2c_client *client,
 		goto err_mutex;
 	}
 
-	ret = v4l2_async_register_subdev(&sensor->subdev);
+	ret = v4l2_async_register_subdev_sensor_common(&sensor->subdev);
 	if (ret < 0)
 		goto err_entity;