ASoC: Intel: ssp-common: relocate source file

ASoC: Intel: ssp-common: relocate source file

Moving ssp-common source and header files from sound/soc/intel/boards
directory to sound/soc/intel/common directory and rename the source
file. Keep file content unchanged for tracking purpose.

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Brent Lu <brent.lu@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240327162408.63953-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>