Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 189ee75f7dbf9c00c21c1a1163629b31cbf08e18
  - Merge "Corrected hibernate for cfvc customization table"
  - Corrected hibernate for cfvc customization table

    fix two tests that did not ignore some properties
    fix schema sql file that was missing fields
    Properly wire hibernate entities, clean up db tables
    Update schema.sql files to be consistent
    add junit for customization linked to same cvnfc

    Change-Id: I4bc0a83cb3908f5b34224416e75446b6cd166b9e
    Issue-ID: SO-1689
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>