Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "refactor one click deployment in testapi"
  - refactor one click deployment in testapi

    substitue docker-compose.template with string description,
    so that user can wget deploy.py and execute directly.

    Change-Id: I9703a1c8dfbdc46470561d54c6663e3728540162
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 31056a7..07e7865 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 31056a7180802ecfcd3e8abb58e74911ef679642
+Subproject commit 07e7865f1c3ca8c12bc6cd45befaa7bbacf489b6