hal: Enable echo reference path
Set echo reference enable to true in auto_hal.

Change-Id: I5a9eb4518b9578902f9bb5c70dfb0742e1a55dea
diff --git a/hal/audio_extn/auto_hal.c b/hal/audio_extn/auto_hal.c
index 3ed76f3..f8022e5 100644
--- a/hal/audio_extn/auto_hal.c
+++ b/hal/audio_extn/auto_hal.c
@@ -723,7 +723,7 @@
                 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP;
             }
             if (adev->enable_hfp)
-                fp_platform_set_echo_reference(adev, false, &out_devices);
+                fp_platform_set_echo_reference(adev, true, &out_devices);
             break;
         case USECASE_AUDIO_HFP_SCO_DOWNLINK:
             snd_device = SND_DEVICE_IN_BT_SCO_MIC;