ASoC: SOF: ipc4-topology: Print out the channel count in sof_ipc4_dbg_audio_format

Print out the number of channels for the format explicitly instead of
having the reader to understand how to interpret the ch_map and ch_cfg
values.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://msgid.link/r/20240530111918.21974-3-peter.ujfalusi@linux.intel.com


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