ASoC: SOF: Intel: hda: log number of microphones detected in NHLT tables

Log the information extracted from NHLT tables to help support users
who report non-functional digital mics with SOF.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200409184416.15591-4-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda.c

@@ -1006,6 +1006,10 @@ static int hda_generic_machine_select(struct snd_sof_dev *sdev)
 			if (!tplg_filename)
 				return -EINVAL;
 
+			dev_info(bus->dev,
+				 "DMICs detected in NHLT tables: %d\n",
+				 dmic_num);
+
 			pdata->machine = hda_mach;
 			pdata->tplg_filename = tplg_filename;
 		}