ASoC: tegra+alc5632: Added digital microphone DAPM widget.

ALC5632 codec supports digital microphone. This patch adds DAPM widget.
Signed-off-by: NLeon Romanovsky <leon@leon.nu>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/tegra/tegra_alc5632.c

@@ -102,6 +102,7 @@ static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
 	SND_SOC_DAPM_SPK("Int Spk", NULL),
 	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Digital Mic", NULL),
 };
 
 static const struct snd_kcontrol_new tegra_alc5632_controls[] = {