ASoC: Intel: glk: Add DAI links for Multi-Playback

Add FE DAI link to support parallel playback on 2 ports
simultaneously.
Acked-by: NPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: NNaveen Manohar <naveen.m@intel.com>
Signed-off-by: NYong Zhi <yong.zhi@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/intel/boards/bxt_da7219_max98357a.c

@@ -51,6 +51,7 @@ struct bxt_card_private {
 enum {
 	BXT_DPCM_AUDIO_PB = 0,
 	BXT_DPCM_AUDIO_CP,
+	BXT_DPCM_AUDIO_HS_PB,
 	BXT_DPCM_AUDIO_REF_CP,
 	BXT_DPCM_AUDIO_DMIC_CP,
 	BXT_DPCM_AUDIO_HDMI1_PB,
@@ -405,6 +406,20 @@ static struct snd_soc_dai_link broxton_dais[] = {
 		.dpcm_capture = 1,
 		.ops = &broxton_da7219_fe_ops,
 	},
+	[BXT_DPCM_AUDIO_HS_PB] = {
+		.name = "Bxt Audio Headset Playback",
+		.stream_name = "Headset Playback",
+		.cpu_dai_name = "System Pin2",
+		.platform_name = "0000:00:0e.0",
+		.dynamic = 1,
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.nonatomic = 1,
+		.trigger = {
+			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dpcm_playback = 1,
+		.ops = &broxton_da7219_fe_ops,
+	},
 	[BXT_DPCM_AUDIO_REF_CP] =
 	{
 		.name = "Bxt Audio Reference cap",