Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Stop running functest-component if hunter or newer

    It conforms with [1].

    [1] https://gerrit.opnfv.org/gerrit/#/c/66911/

    Change-Id: I07a2aabb4027f4dcf766b01a4cdb326316c2a398
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b1d420d..1ca9bc9 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b1d420d23be0c0858548d825088a511ace371550
+Subproject commit 1ca9bc96cb5f566e9db385058b2b4e3b399c27d3