Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 533fd3174a7a5872ea43fb7d6dc8eb6165af2be5
  - Merge "Change status from inventoried to assigned"
  - Change status from inventoried to assigned

    change orch status from inventoried to assigned
    add in rainy day scenario fix
    fix bpmn rollback condition statement
    remove connect from config to vf module

    Change-Id: I84198d56c18e4167d4cfbee0751613fa0386b160
    Issue-ID: SO-1686
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>