ASoC: Intel: bxt-da7219-max98357a: add BE dailink for dmic16k

We need dmic16k BE(and FE, in tplg file) dailink for keyword detection
feature on bxt-da7219-max98357a machine, here add it in driver side.
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/bxt_da7219_max98357a.c

@@ -412,6 +412,10 @@ SND_SOC_DAILINK_DEF(ssp1_codec,
 
 SND_SOC_DAILINK_DEF(dmic_pin,
 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
+
+SND_SOC_DAILINK_DEF(dmic16k_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
+
 SND_SOC_DAILINK_DEF(dmic_codec,
 	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
 
@@ -586,6 +590,14 @@ static struct snd_soc_dai_link broxton_dais[] = {
 		.no_pcm = 1,
 		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
 	},
+	{
+		.name = "dmic16k",
+		.id = 6,
+		.be_hw_params_fixup = broxton_dmic_fixup,
+		.dpcm_capture = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(dmic16k_pin, dmic_codec, platform),
+	},
 };
 
 #define NAME_SIZE	32