Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Don't test dovetail with os-onos-nofeature-ha scenario"
  - Don't test dovetail with os-onos-nofeature-ha scenario

    Compass will not release os-onos-nofeature-ha scenario in its E release.
    Dovetail will not test against this scenario anymore.

    JIRA: DOVETAIL-502

    Change-Id: Ifeefc0fdbe610808d349be971f597ad10ea5ceca
    Signed-off-by: xudan <xudan16@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 321d339..a8892f9 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 321d339d1aa81f65598755c33306e6eb23e1be95
+Subproject commit a8892f93aa56e56fb6cf3bcfc7ca208485095958