ASoC: intel/sdw_utils: move dmic codec helper function

ASoC: intel/sdw_utils: move dmic codec helper function

Move generic dmic codec helper function implementation to
sdw_utils folder so that this function can be used by other platform
machine drivers.

Link: https://github.com/thesofproject/linux/pull/5068
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://patch.msgid.link/20240801091446.10457-11-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>