Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Fix pylint warnings/errors in cli

    cli_testcase and cli_tier have been refactored to avoid duplicating
    code. Then functest/cli and funtest/unit/cli can be added to the list
    of modules rated 10/10.

    Change-Id: Iec90e806397248a10f39080ec554e3f0a6eda7c1
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index c653ed7..bbfe9b0 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit c653ed78d7721b9933e08015e45dd39379aa4316
+Subproject commit bbfe9b09d2b1ac7bfe286311fef83d36c6125c96