hal: msm8916: add changes to support RAS for sdm660

Receiver Aided Stereo(RAS) is a feature to support stereo
playback over receiver and speaker. Add new RAS device to
support this feature on sdm660.

Change-Id: I589a4ed3fdf18deaa3ce7109bc365654dd93c89b
CRs-Fixed: 1088468
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
index b91c501..5fc124d 100644
--- a/hal/msm8916/platform.h
+++ b/hal/msm8916/platform.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
  * Not a Contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -132,6 +132,8 @@
     SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT,
     SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT,
     SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT,
+    SND_DEVICE_OUT_SPEAKER_PROTECTED_RAS,
+    SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT_RAS,
 #ifdef RECORD_PLAY_CONCURRENCY
     SND_DEVICE_OUT_VOIP_HANDSET,
     SND_DEVICE_OUT_VOIP_SPEAKER,