Reference the issue tracker in the documentation, as relying on tribal knowledge isn't a great option. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Sebastian Fricke <sebastian.fricke@posteo.net> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>