soundwire: amd: enable build for AMD SoundWire manager driver

Enable build for SoundWire manager driver for AMD platforms.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/lkml/20230220100418.76754-5-Vijendar.Mukunda@amd.com
Link: https://lore.kernel.org/r/20230321050901.115439-5-Vijendar.Mukunda@amd.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>