Update git submodules

* Update docs/submodules/clover from branch 'master'
  - Merge "Update from requirements"
  - Update from requirements

    Pipfile.lock ensures a consistent environment

    Change-Id: Id2e544c77a67ce8fa010fba9c357735496f62a26
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/clover b/docs/submodules/clover
index 10d7161..25385d0 160000 (submodule)
--- a/docs/submodules/clover
+++ b/docs/submodules/clover
@@ -1 +1 @@
-Subproject commit 10d716170c47ab02f5703b5b90705f6cf47f2011
+Subproject commit 25385d06e3cd06018e3d27d1e18c90b59941f6a1