Support tree; Do not enforce LBA source for Overlays

src/Tools/run_cargo.sh

@@ -37,6 +37,10 @@ elif [ $2 = update ]; then
   echo "cargo update $1"
   $HOME/.cargo/bin/cargo update
 
+  exit $?
+elif [ $2 = tree ]; then
+  $HOME/.cargo/bin/cargo tree
+
   exit $?
 else
   echo "Unkown cargo command $2 for project $1"