audio : enable tpa2028d

Change-Id: Id35a8bf66b1b730d32d1d8cbc68cd3d7f607e72e
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 80204f5..0d4f4b4 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -445,3 +445,9 @@
 
 config SND_SOC_MSM_STUB
 	tristate
+
+config SND_SOC_TPA2028D
+	bool "Audio subsystem TPA2028D"
+	default y
+	---help---
+		Texas Instruments 3W Mono Class-D Audio Amplifier