For sound need to be continuously output at suspend with rpmsg
sound card, so need to keep the clock always on at suspend,
then suspend & resume callback is not needed.
Signed-off-by: NShengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1646822293-26965-1-git-send-email-shengjiu.wang@nxp.comSigned-off-by: NMark Brown <broonie@kernel.org>