ASoC: sdw_utils: add SmartMic DAI for RT712 VB

In theory the dailinks are created based on the number of endpoints
reported in ACPI match tables, so it should harmless to add a new
dailink: RT712 VA would not use it since it has only 2 endpoints.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Author: plbossart

sound/soc/sdw_utils/soc_sdw_utils.c

@@ -144,8 +144,15 @@ struct asoc_sdw_codec_info codec_info_list[] = {
 				.widgets = generic_spk_widgets,
 				.num_widgets = ARRAY_SIZE(generic_spk_widgets),
 			},
+			{
+				.direction = {false, true},
+				.dai_name = "rt712-sdca-aif3",
+				.dai_type = SOC_SDW_DAI_TYPE_MIC,
+				.dailink = {SOC_SDW_UNUSED_DAI_ID, SOC_SDW_DMIC_DAI_ID},
+				.rtd_init = asoc_sdw_rt_dmic_rtd_init,
+			},
 		},
-		.dai_num = 2,
+		.dai_num = 3,
 	},
 	{
 		.part_id = 0x1712,