Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Minor changes in docstrings"
  - Minor changes in docstrings

    It removes case_name from the list of attributes that run() must set
    because it's now managed by run_tests.py (see __init__())

    Change-Id: Id6228880257d0e9fb27483c56aa9985197feb04e
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index eeafc7d..9648154 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit eeafc7d012079bc3ff64d28bc65e0051ad2cf46e
+Subproject commit 96481540320550457181696c43a0e2fa34b9273d