hal: msm8916: Add correct HFP Tx mute mixer controller

Add correct HFP mixer controller for mute.

Change-Id: I5a845b17765fabae5bee45f066cbea3edc5992c4
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 683723f..9630b7a 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -1367,12 +1367,10 @@
     struct mixer_ctl *ctl;
     const char *mixer_ctl_name = "Voice Tx Mute";
     int ret = 0;
-    uint32_t set_values[ ] = {0,
-                              ALL_SESSION_VSID,
-                              DEFAULT_MUTE_RAMP_DURATION_MS};
+    uint32_t set_values[ ] = {0};
 
     if (audio_extn_hfp_is_active(adev))
-        mixer_ctl_name = "HFP Tx Mute";
+        mixer_ctl_name = "HFP TX Mute";
 
     set_values[0] = state;
     ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);