Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Trigger Functest VNF test case for opera"
  - Trigger Functest VNF test case for opera

    Change-Id: I313dc0661b41556a6b9cb4cc3ba0d79db9c16c88
    Signed-off-by: helenyao <yaohelan@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 5a2e5ed..ae41f09 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 5a2e5ed064cd98daafac512febc4dab36f67c656
+Subproject commit ae41f09e9f155e53e809dedd040f52c4d5c98aed