Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 0fdf096ae4ff4ee4b7a644549bd67d75e4aa82b1
  - Merge "mso to support rollback for"
  - mso to support rollback for

    Add Rollback and Manual for CM BBs for rainy day handling table
    Add rollback flow generation logic for Change Management flows.
    Update Robot tests for ConfigModify Manual Task
    Add a test for rollback for inPlaceSoftwareUpdate, remove
    manualhandling tests for inPlaceSoftwareUpdate

    Issue-ID: SO-2853
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I6a68662fee5295117f6f39ffe3fa97b7ef4e2116