Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to c930d546391c0cda531ca17a36f166ccfd9f4be2
  - Merge "Typo in bpmn mso-request-id variable name"
  - Typo in bpmn mso-request-id variable name
    
    Change-Id: I50e7f33a3a38e77c84874d75ab33c5f9bb693f8b
    Issue-ID: SO-1922
    Signed-off-by: Yang Xu <yang.xu3@huawei.com>
    (cherry picked from commit 253a7e17c7b89acfc3cb8748239a544bade75437)
    
1 file changed