Update git submodules

* Update docs/submodules/releng from branch 'master'
  - fix deploy.sh not runing issue

    deploy.sh is not called as jenkins log
    + cd /home/jenkins/opnfv/slave_root/workspace/container4nfv-daily-master/ci ./deploy.sh
    No emails were triggered.

    Change-Id: Ie590a53d05ef3d92f78cce0608c165cd2c98c582
    Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b3daaaf..1d5f84d 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b3daaaf3d9cf201c37f68f47011fd73ac069fd1a
+Subproject commit 1d5f84dc69209e6bfd08e78649dcea8583c38bec