Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to d5f7ee6e80bb55f2baf89ee5e669ef6829fd20fd
  - Add user service type management module
    
    Change-Id: Id86465d839b27dd4350d391198b8eacdf1f330a8
    Issue-ID: USECASEUI-212
    Signed-off-by: guochuyicmri <guochuyi@chinamobile.com>
    
diff --git a/docs/submodules/usecase-ui.git b/docs/submodules/usecase-ui.git
index b19b6af..d5f7ee6 160000
--- a/docs/submodules/usecase-ui.git
+++ b/docs/submodules/usecase-ui.git
@@ -1 +1 @@
-Subproject commit b19b6af7444f5c5b9b2869270e26e76cc5d47f2d
+Subproject commit d5f7ee6e80bb55f2baf89ee5e669ef6829fd20fd