Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Update paths in functest/ci/testcases.yaml

    It follows the changes switching to python packages.
    It shall be noted  that several cmds could be enhanced.

    Change-Id: I8cf3595d1e8044b650deb4ec733bf973c0bf1b3f
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index b35ef0c..9c969dc 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit b35ef0cc9ba337bd46a2eb9d8d52854c80bb484a
+Subproject commit 9c969dc408c2100f0106d9eb6466b58c421a287e