ASoC: Intel: sof_da7219_max98373: Add BE dailink for dmic16k

Add dmic16k BE dailink for keyword detection support, FE is
added in topology tplg file.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200409185827.16255-2-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/sof_da7219_max98373.c

@@ -265,6 +265,9 @@ SND_SOC_DAILINK_DEF(dmic_pin,
 SND_SOC_DAILINK_DEF(dmic_codec,
 	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
 
+SND_SOC_DAILINK_DEF(dmic16k_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
+
 SND_SOC_DAILINK_DEF(idisp1_pin,
 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
 SND_SOC_DAILINK_DEF(idisp1_codec,
@@ -337,6 +340,14 @@ static struct snd_soc_dai_link dais[] = {
 		.no_pcm = 1,
 		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
 	},
+	{
+		.name = "dmic16k",
+		.id = 6,
+		.ignore_suspend = 1,
+		.dpcm_capture = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(dmic16k_pin, dmic_codec, platform),
+	}
 };
 
 static struct snd_soc_card card_da7219_m98373 = {