doc: GSG's python dependence
For config_tools use python to clear dirty files, add python dependence
while prepare development computer.
@@ -154,7 +154,7 @@ To set up the ACRN build environment on the development computer:
.. code-block:: bash
- sudo pip3 install lxml xmlschema defusedxml
+ sudo pip3 install lxml xmlschema defusedxml tqbm
#. Create a working directory:
