audio: hal: set mode bt in tfa when entering start_hfp
am: 0b67950f89

Change-Id: I30e74e0c266e9d2646ade99f0517076b621918cf
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 023a9ef..9d4abec 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -510,6 +510,8 @@
     {TO_NAME_INDEX(USECASE_INCALL_REC_DOWNLINK)},
     {TO_NAME_INDEX(USECASE_INCALL_REC_UPLINK_AND_DOWNLINK)},
     {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO)},
+    {TO_NAME_INDEX(USECASE_VOICEMMODE1_CALL)},
+    {TO_NAME_INDEX(USECASE_VOICEMMODE2_CALL)},
 };
 
 #define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)