Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to c046f09ca7eb5bf91c3c7508dafc4e6d7e78f77f
  - Get service model uuid from AAI in delete E2EServiceInstances
    
    Issue-ID: SO-2368
    
    Signed-off-by: zm330 <zhangminyj@chinamobile.com>
    Change-Id: I1208da1ed2bd534172c3ab996a9767cae484befb
    
1 file changed