ASoC: amd: acp: add code for scanning acp pdm controller

Add common code for scanning acp pdm controller and create
platform device for the same.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Link: https://lore.kernel.org/r/20231021145110.478744-6-Syed.SabaKareem@amd.com


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