Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 75ba5d258a64da22adb6b070199d4920118614ee
  - Merge "Update oparent version"
  - Update oparent version
    
    Update oparent version to 2.0.0 which supports
    global-jjb maven-stage job.
    
    Change-Id: I50382154cac487247c3824cff802fb7993b5c3ae
    Issue-ID: CIMAN-234
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    
1 file changed