Update git submodules

Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Change owner of the openrc file for compass"
  - Change owner of the openrc file for compass

    The jenkins user is not permitted to view openrc file
    with root owner and group.[1]
    cat: /home/jenkins/opnfv-openrc.sh: Permission denied

    [1]: https://build.opnfv.org/ci/view/functest/job/functest-compass-baremetal-daily-master/1293/console

    Change-Id: I89d0597c8f0ece00f70fd6622048794b15510636
    Signed-off-by: Linda Wang <wangwulin@huawei.com>