Update git submodules

Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Bugfix: Dovetail CI failed with Permission denied"
  - Bugfix: Dovetail CI failed with Permission denied

    JIRA: DOVETAIL-451

    1. Dovetail CI jobs failed because of Permission denied.
    2. The directory ${WORKSPACE}/cvp/pre_config is created with sudo privilege,
       so fetch_os_creds without sudo got Permission denied.
    3. Remove the sudo when create directory ${WORKSPACE}/cvp/pre_config.

    Change-Id: I802dc1cf8479b61929a9311800e65d357f4a7d34
    Signed-off-by: xudan <xudan16@huawei.com>