ASoC: Intel: sof_ssp_amp: rename function parameter

ASoC: Intel: sof_ssp_amp: rename function parameter

Rename the parameter 'ssp_codec' of sof_card_dai_links_create() since
it's the port number of speaker amplifier. No functional change in
this commit.

Signed-off-by: Brent Lu <brent.lu@intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20231127152654.28204-16-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>