msmcobalt: Update ADM channel config for a2dp

- Fix improper mixer path update for ADM
  channel config

Change-Id: I57b7c7b1cf1328a4b69a4dda29406c6d4fad45f9
diff --git a/configs/msmcobalt/mixer_paths_tavil.xml b/configs/msmcobalt/mixer_paths_tavil.xml
index 2ac549a..2ee5b6b 100644
--- a/configs/msmcobalt/mixer_paths_tavil.xml
+++ b/configs/msmcobalt/mixer_paths_tavil.xml
@@ -2279,7 +2279,7 @@
     <path name="bt-a2dp">
         <ctl name="BT SampleRate" value="KHZ_48" />
         <ctl name="AFE Input Channels" value="Two" />
-        <ctl name="SLIM7_RX ADM Channels" value="2" />
+        <ctl name="SLIM7_RX ADM Channels" value="Two" />
     </path>
 
     <path name="speaker-and-bt-a2dp">