Update git submodules

* Update docs/submodules/clover from branch 'master'
  - Merge "Local Documentation Builds"
  - Local Documentation Builds

        This adds configuration for performing local documentation builds
        with the following simple command:

        tox -e docs

    Change-Id: Ifb8fce66e59432863d042a96308e6c3a89fb11a8
    Signed-off-by: Aric Gardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/clover b/docs/submodules/clover
index e8eaf48..e716285 160000 (submodule)
--- a/docs/submodules/clover
+++ b/docs/submodules/clover
@@ -1 +1 @@
-Subproject commit e8eaf48f2a1230658e38eb8d609bdcd31b3661fd
+Subproject commit e716285dfe01e2373984550495fd2cf02dbf959d