ASoC: SOF: topology: Rename arguments in sof_parse_token_sets()

Rename the priv_size arg to array_size and clarify the arguments in the
comments.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220308164344.577647-16-ranjani.sridharan@linux.intel.com


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