ASoC: amd: acp: Add PDM controller based dmic dai for Renoir

Renoir ACP IP has a PDM controller block. Add DMIC dai instance in
dai_driver struct to enable dmic capture support on Renoir platform.

Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Link: https://lore.kernel.org/r/20220117115854.455995-3-AjitKumar.Pandey@amd.com


Signed-off-by: Mark Brown <broonie@kernel.org>