Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Add python3 support in cli"
  - Add python3 support in cli

    Change-Id: I222fde91cf236a272176bc2d9ec6732f98b76141
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 250a793..def4980 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 250a7936cc34e2e22c7a9a8f766c9ee0bdcb9f4c
+Subproject commit def49808fcca40d837f0a37cc23783af80198c01