Update git submodules

Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Bugfix: HA failed on Compass master because of lacking pod.yaml"
  - Bugfix: HA failed on Compass master because of lacking pod.yaml

    The module in releng which used to get all the pod info of each installer
    can't work on Compass master.
    Create a pod.yaml file for Compass master to ensure HA test cases can be
    executed successfully.

    JIRA: DOVETAIL-565

    Change-Id: I86cbb4fb07b87b99bf1465d57a76b23e1159ec9f
    Signed-off-by: xudan <xudan16@huawei.com>