Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Add case_name as args in all features

    Now run_tests.py forces case_name as arg of every TestCase or Feature.
    It also updates the related unit tests.

    Change-Id: I4d70005b53730f36785f0ac95f4f0f6a04455794
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 2bd6e7d..7c79dd7 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 2bd6e7d12040659b5be66d6d9a0df55838446379
+Subproject commit 7c79dd75b519ac22483de76b4433a9923da68ef6