Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 984f8da49f06c1563b4496572c54147014aa94bb
  - Merge "Fix sonar issues in mso-openstack-adapters"
  - Fix sonar issues in mso-openstack-adapters

    Fix Either log or rethrow this exception
    Fix Replace the type specification in this constructor call with the diamond operator ("<>")
    Fix Remove this unused local variable
    Fix Iterate over the "entrySet" instead of the "keySet"

    Issue-ID: SO-1841
    Change-Id: I5e9195d75d29a66a4a360e031ab02ab7c9872388
    Signed-off-by: Parshad Patel <pars.patel@samsung.com>