ASoC: SOF: Intel: hda: add dev_dbg() when DMIC number is overridden

ASoC: SOF: Intel: hda: add dev_dbg() when DMIC number is overridden

It's useful for debug and system integration to show cases where we
ignore the number of microphones reported by NHLT.

Suggested-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210208233336.59449-12-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>