ASoC: mediatek: mt8195: add playback support to PCM1_BE dai_link

PCM1_BE should be a dai_link for both playback and capture.
In the patch, the missing DPCM playback support is added.
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20211230084731.31372-3-trevor.wu@mediatek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/mt8195/mt8195-mt6359-rt1011-rt5682.c

@@ -1045,6 +1045,7 @@ static struct snd_soc_dai_link mt8195_mt6359_rt1011_rt5682_dai_links[] = {
 		.dai_fmt = SND_SOC_DAIFMT_I2S |
 			SND_SOC_DAIFMT_NB_NF |
 			SND_SOC_DAIFMT_CBS_CFS,
+		.dpcm_playback = 1,
 		.dpcm_capture = 1,
 		SND_SOC_DAILINK_REG(PCM1_BE),
 	},

sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c

@@ -1191,6 +1191,7 @@ static struct snd_soc_dai_link mt8195_mt6359_rt1019_rt5682_dai_links[] = {
 		.dai_fmt = SND_SOC_DAIFMT_I2S |
 			SND_SOC_DAIFMT_NB_NF |
 			SND_SOC_DAIFMT_CBS_CFS,
+		.dpcm_playback = 1,
 		.dpcm_capture = 1,
 		SND_SOC_DAILINK_REG(PCM1_BE),
 	},