ASoC: sdw_utils/intel: move soundwire endpoint parsing helper functions

Move SoundWire endpoint parsing helper functions to common place holder.
These functions will be used by other platform machine driver code.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20240913090631.1834543-5-Vijendar.Mukunda@amd.com


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