Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 7e62ba22c5ac473bd5fad65d19f08e8444cb3ccf
  - Merge "update bb input setup to handle replace for"
  - update bb input setup to handle replace for

    update bb input setup to handle replace for service vnf
    vf modules that are not replace will get correct model data
    added in a unit test as well as added in check for vnf

    Issue-ID: SO-2599
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I538f6037791905d1086d6d553d1895abd6f2026e