ASoC: amd: add acp6x init/de-init functions

Add Yellow Carp platform ACP6x PCI driver init/deinit functions.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20211018112044.1705805-4-Vijendar.Mukunda@amd.com


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