hal: re-enable DSD format which got accidently removed

-DSD playback is failing because of missing DSD format

-24 bit output of compress passthrough is not needed as DSP always
sets the ADM at 16bit for passthrough usecases.
-Re-enable DSD format

Change-Id: Id34790d14001b087153246b814d603362c44e4ab
diff --git a/hal/audio_extn/utils.c b/hal/audio_extn/utils.c
index 69a7eec..17fe4c9 100644
--- a/hal/audio_extn/utils.c
+++ b/hal/audio_extn/utils.c
@@ -1157,6 +1157,9 @@
     case AUDIO_FORMAT_DTS_HD:
         id = SND_AUDIOCODEC_DTS;
         break;
+    case AUDIO_FORMAT_DSD:
+        id = SND_AUDIOCODEC_DSD;
+        break;
     default:
         ALOGE("%s: Unsupported audio format :%x", __func__, format);
     }