Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Update Functest jjobs (patrole)"
  - Update Functest jjobs (patrole)

    Patrole is now integrated in smoke and the dedicated container is
    being removed [1]

    [1] https://gerrit.opnfv.org/gerrit/#/c/53659/

    Change-Id: Ifb1989c5e430a4bf0fdd553f2e3e82f69a704f25
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index efee9c2..f66a725 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit efee9c247bc0927ea789318c8e1054510acaff32
+Subproject commit f66a725f537e04266725669b47bf59cab35d7b47