hal: msm8916: Support for HFP

Bug: 29323703
Change-Id: I64094d94e0c69aea79c7a2f30eaf97f3e913df4c
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
index a386652..da4a027 100644
--- a/hal/msm8916/platform.h
+++ b/hal/msm8916/platform.h
@@ -63,6 +63,7 @@
     SND_DEVICE_OUT_VOICE_HANDSET,
     SND_DEVICE_OUT_VOICE_HAC_HANDSET,
     SND_DEVICE_OUT_VOICE_SPEAKER,
+    SND_DEVICE_OUT_VOICE_SPEAKER_HFP,
     SND_DEVICE_OUT_VOICE_HEADPHONES,
     SND_DEVICE_OUT_VOICE_LINE,
     SND_DEVICE_OUT_HDMI,
@@ -112,6 +113,7 @@
     SND_DEVICE_IN_HEADSET_MIC,
     SND_DEVICE_IN_HEADSET_MIC_FLUENCE,
     SND_DEVICE_IN_VOICE_SPEAKER_MIC,
+    SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP,
     SND_DEVICE_IN_VOICE_HEADSET_MIC,
     SND_DEVICE_IN_HDMI_MIC,
     SND_DEVICE_IN_BT_SCO_MIC,