ASoC: amd: add RPL Platform init/de-init functions

Add RPL Platform ACP init/de-init functions.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20220721061035.91139-3-Syed.SabaKareem@amd.com


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