ASoC: Intel: sof_sdw: overwrite mach_params->dmic_num

mach_params->dmic_num will be used to set the cfg-mics value of
card->components string. Overwrite it to the actual number of PCH
DMICs used in the device.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>

sound/soc/intel/boards/sof_sdw.c

@@ -1215,6 +1215,11 @@ static int sof_card_dai_links_create(struct snd_soc_card *card)
  else
  dmic_num = 2;
  }
+ /*
+ * mach_params->dmic_num will be used to set the cfg-mics value of card->components
+ * string. Overwrite it to the actual number of PCH DMICs used in the device.
+ */
+ mach_params->dmic_num = dmic_num;
 
  if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
  bt_num = 1;