Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "fix workspace permission error"
  - fix workspace permission error

    after https://gerrit.opnfv.org/gerrit/#/c/35833/ merged

    still fails https://build.opnfv.org/ci/job/compass-verify-deploy-virtual-xenial-master/360/console

    by checking the host the file was changed to <jenkins root>
    it should be <jenkins jenkins>

    Change-Id: I44bab9aaedaa18fc2c2b654bf156703904c220c7
    Signed-off-by: MatthewLi <matthew.lijun@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 4f3ef26..82efe6a 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 4f3ef26eacebdac7d20c9d3a1576b976c36b36ea
+Subproject commit 82efe6ad203fe95ce8a092e5a9a85e326aaef7d7