Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Get fuel controller ip for HA test cases

    The releng module 'deployment' doesn't work for fuel euphrates and master.
    Use commands to get one controller ip for HA test cases.

    Since the public endpoint url may be v2, reset openstack authentic file for v2

    Change-Id: I3c6ec1f0890c93f75ca3c7c9801e05da329ffdae
    Signed-off-by: xudan <xudan16@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 7bcdf35..985da02 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 7bcdf35a5536583f902454505b2eee77b1f8a628
+Subproject commit 985da0210690b12b178c069272293be4308bcbd7