ASoC: SOF: Remove redundant return statements

ASoC: SOF: Remove redundant return statements

After the free PCM action is executed, no matter what
the return result is, it will return directly in sof_pcm_trigger.
So the return statement here is redundant.

Signed-off-by: tangmeng <tangmeng@uniontech.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220330201926.1330402-12-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>