On i.MX8ULP the spdif works with EDMA, so add compatible
string and soc specific data for i.MX8ULP.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1631238562-27081-1-git-send-email-shengjiu.wang@nxp.comSigned-off-by: Mark Brown <broonie@kernel.org>