Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 5ebbd84b70afdbee6813a5ac0e4ec931b20ff384
  - Fix exclude rules in Functest jjbs

    It has to be updated for Kali

    Change-Id: I4b5cf222528aacc152fdebf29c1acc03ed03b939
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index ec7e9c3..5ebbd84 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit ec7e9c3cd4cdb3c73487ab18a6b21264894586b4
+Subproject commit 5ebbd84b70afdbee6813a5ac0e4ec931b20ff384