Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "[Compass] Add new scenarios"
  - [Compass] Add new scenarios

    add the following scenarios and run on master
      1. k8-nosdn-stor4nfv-ha
      2. k8-nosdn-stor4nfv-noha

    Change-Id: I2c505263fbf48ea25be735ebe14e3c4d8097bf91
    Signed-off-by: wutianwei <wutianwei1@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 8947b0f..3a4831f 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 8947b0fd89d1c40cb42cd48ba17094c4a94618e0
+Subproject commit 3a4831f66386e14d1ae958145c67609454ce7950