ASoC: amd: enable RPL Platform acp drivers build

RPL Platform drivers can be built by selecting necessary
kernel config option.
The patch enables build support of the same.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20220721061035.91139-5-Syed.SabaKareem@amd.com


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