sm6250-common: audio: Add backend config for handset TMU operator device

Backend config is missing for voice handset when TMU operator
is used due to which hw params is not set properly.
Add backend config for handset tmu operator sound device
in kona, lito and atoll variants.

[wight554: update interface to match SND_DEVICE_OUT_VOICE_HANDSET]

Change-Id: I199fa0bd33d682a129a4e77f25d32f615b175310
Signed-off-by: Volodymyr Zhdanov <wight554@gmail.com>

audio/audio_platform_info_intcodec.xml

 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!-- Copyright (c) 2014, 2016-2019, The Linux Foundation. All rights reserved.   -->
+<!-- Copyright (c) 2014, 2016-2020, The Linux Foundation. All rights reserved.   -->
 <!--                                                                        -->
 <!-- Redistribution and use in source and binary forms, with or without     -->
 <!-- modification, are permitted provided that the following conditions are -->
@@ -152,6 +152,7 @@
         <device name="SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2" interface="TERT_MI2S_RX-and-RX_CDC_DMA_RX_0"/>
         <device name="SND_DEVICE_OUT_SPEAKER_CLEAN" interface="TERT_MI2S_RX"/>
         <device name="SND_DEVICE_OUT_VOICE_HANDSET" backend="handset" interface="RX_CDC_DMA_RX_0"/>
+        <device name="SND_DEVICE_OUT_VOICE_HANDSET_TMUS" backend="handset" interface="RX_CDC_DMA_RX_0"/>
         <device name="SND_DEVICE_IN_HANDSET_GENERIC_QMIC" interface="TX_CDC_DMA_TX_3"/>
         <device name="SND_DEVICE_OUT_VOICE_SPEAKER" interface="TERT_MI2S_RX"/>
         <device name="SND_DEVICE_OUT_VOICE_SPEAKER_STEREO" interface="TERT_MI2S_RX"/>