Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 181ea998552a85c879b2a4c209a97d3af388699e
  - Merge "bug fix with wrong json handling in ConfigAssignVnf"
  - bug fix with wrong json handling in ConfigAssignVnf
    
    Change-Id: Ib1a51a69bf421e33e439da6f1cb0abafd760cca2
    Issue-ID: SO-2382
    Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>
    
1 file changed