ASoc: codecs: Add digital codec driver for msm8909w

MSM8909w wtp device has digital codec only.

Change-Id: I9b375557d850714a3123d6ac32d670f4ce3349cb
Signed-off-by: Manjunatha Madana <mamanj@codeaurora.org>
diff --git a/dsp/codecs/Android.mk b/dsp/codecs/Android.mk
index 9e2ba65..86f3173 100644
--- a/dsp/codecs/Android.mk
+++ b/dsp/codecs/Android.mk
@@ -17,6 +17,7 @@
 
 ifeq ($(call is-board-platform-in-list,msm8909),true)
 AUDIO_SELECT  += CONFIG_SND_SOC_BG_8909=m
+AUDIO_SELECT  += CONFIG_SND_SOC_8909_DIG_CDC=m
 endif
 
 AUDIO_CHIPSET := audio