ASoC: intel/sdw_utils: move rtk amp codec helper functions

Move RTK amp codec helper functions related implementation to common
place holder to make it generic so that these helper functions will be
used by other platform machine driver modules.

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/20240801091446.10457-19-Vijendar.Mukunda@amd.com


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