Update git submodules

Update git submodules

* Update docs/submodules/auto from branch 'master'
  - Merge "UC2 update with Openstack SDK interface and common test logic"
  - UC2 update with Openstack SDK interface and common test logic

    JIRA: AUTO-13

    1) Openstack SDK usage for VM suspend/resume actions, using clouds.yaml,
    tested on hpe16 pod
    2) common test logic (creation of test execution instances, measurement of
    recovery time, calling of per-use case indexed functions, saving results
    to CSV files)

    Change-Id: If84d2a0e44618d476a028d4ac4a2897da9cd5532
    Signed-off-by: Gerard Damm <gerard.damm@wipro.com>