configs:sdm429: Add mixer ctl for Headphone and WSA combo

-Add mixer control for WSA speaker and Headphone combo

Change-Id: I85c91a25aea237165e589873175e6bfad6f4fea0
diff --git a/configs/msm8937/mixer_paths_sdm439_pm8953.xml b/configs/msm8937/mixer_paths_sdm439_pm8953.xml
index 328701c..8fbce19 100644
--- a/configs/msm8937/mixer_paths_sdm439_pm8953.xml
+++ b/configs/msm8937/mixer_paths_sdm439_pm8953.xml
@@ -1317,6 +1317,11 @@
         <path name="headphones" />
     </path>
 
+    <path name="wsa-speaker-and-headphones">
+        <path name="wsa-speaker" />
+        <path name="headphones" />
+    </path>
+
     <path name="usb-headphones">
     </path>