Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to c2edf5fed40fb2948bc7b2c0b356cf9ff11cd3d5
  - Merge "Fix instance detail for CCVPN & instance topology"
  - Fix instance detail for CCVPN & instance topology
    
    Change-Id: I8ab0a72a9901c7262ee97721a00e6d44ebe96af6
    Issue-ID: USECASEUI-222
    Signed-off-by: guochuyicmri <guochuyi@chinamobile.com>
    
1 file changed