Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Mock os.makedirs() in test_odl.py

    os.makedirs() is called before calling robot.run.

    Change-Id: Id651428343510683cd616d8101d22a73ccbf3dad
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 7c3b81b..383ed86 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 7c3b81bc2b94521e0783203538ad01981db28829
+Subproject commit 383ed86699816f633f007c515338d0fa022bf4fc