Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Fix clearwater test results parsing

    Before it could extract part of the skipped tests [1].

    [1] https://build.opnfv.org/ci/view/functest/job/functest-compass-baremetal-daily-master/209/console

    Change-Id: I7e7564cb7b96705940051fccf0ff1987f34bb962
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 4a3508e..3d6f7e8 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 4a3508ed3bf4a92e22e48344da98c4afeb3ea8c2
+Subproject commit 3d6f7e8b3a6cfe4c926bd93d45861c80970e35f7