ASoC: Add DMIC control to Speyside WM8962 board

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/samsung/speyside_wm8962.c b/sound/soc/samsung/speyside_wm8962.c
index 10c06dc..07b827e 100644
--- a/sound/soc/samsung/speyside_wm8962.c
+++ b/sound/soc/samsung/speyside_wm8962.c
@@ -134,6 +134,7 @@
 
 static const struct snd_kcontrol_new controls[] = {
 	SOC_DAPM_PIN_SWITCH("Main Speaker"),
+	SOC_DAPM_PIN_SWITCH("DMIC"),
 };
 
 static struct snd_soc_dapm_widget widgets[] = {