ASoC: amd: enable vangogh acp5x driver build

Vangogh ACP5x drivers can be built by selecting necessary
kernel config option.
The patch enables build support of the same.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20210721180430.11571-13-Vijendar.Mukunda@amd.com


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