Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Create CI job for network testing"
  - Create CI job for network testing

    JIRA: QTIP-297

    Change-Id: Ie3002ab4eae57d79d0edeb9c39c2ab273c5c3915
    Signed-off-by: Taseer Ahmed <taseer94@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index a92e3a3..71a9ca6 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit a92e3a3763ea8c45552996866ca15eef200d86fd
+Subproject commit 71a9ca68b973420a90429bbd75c198c0ed7582b7