ASoC/soundwire: implement generic api for scanning amd soundwire controller

Implement generic function for scanning SoundWire controller.
Same function will be used for legacy and sof stack for AMD platforms.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://msgid.link/r/20240129055147.1493853-2-Vijendar.Mukunda@amd.com


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