Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Directly call Functest console scripts"
  - Directly call Functest console scripts

    It conforms jjobs with "Define console_scripts" [1].

    [1] https://gerrit.opnfv.org/gerrit/#/c/36781/

    Change-Id: I9209e6efa1b493e24135402a46df72aaa14115d1
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 6678526..8fc6a11 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 667852687522ba836878da05a2734a7399b74e2e
+Subproject commit 8fc6a11577e041be9e8a446bc8700e9655e33552