Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to c67fdd8d12935a5f866929f6d024471b223db801
  - Since version 3.0.1 needs to be self released, the corresponding configuration files need to be modified.
    
    Issue-ID: USECASEUI-422
    Change-Id: I3010372eeb86d6fa1b53576d0262a4345d398b5f
    Signed-off-by: hekeguang <hekeguang@chinamobile.com>
    
1 file changed