Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to cebbffaaf55229d8e97dda2a9c84c167396e6c5d
  - Merge "Add SO Same deployment id on deployed custom workflows"
  - Add SO Same deployment id on deployed custom workflows

    Added the change to call the DeploymentBuilder.deploy() method after
    going through all the custom workflows. Thus all the workflows
    deployed and they startup correctly.
    Issue-ID: SO-2210
    Signed-off-by: Bonkur, Venkat (vb8416) <vb8416@att.com>
    Change-Id: Ieaa5d1447405f75744d7c05bd8f7603c16edf5ea