A driver's device data should and can be const. This is a follow-up on
commit 33187fb4 (ASoC: rsnd: constify of_device_id array) which
marked the of_device_id as const.
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NMark Brown <broonie@kernel.org>