ASoC: SOF: ipc4-topology: Modify the signature of sof_ipc4_init_audio_fmt()

Only the copier needs to set the output format in its IPC payload. So
move the code to set the output format inside
sof_ipc4_prepare_copier_module() and modify the signature of
sof_ipc4_init_audio_fmt() to remove the out_format argument.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@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>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230313124856.8140-9-peter.ujfalusi@linux.intel.com


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