ASoC: amd: acp: Add pci legacy driver support for acp7.0 platform

Add pci legacy driver support and create platform driver for
acp7.0 platform.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Link: https://lore.kernel.org/r/20231021145110.478744-12-Syed.SabaKareem@amd.com


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