Update git submodules

* Update docs/submodules/clover from branch 'master'
  - Updated from global requirements

    Change-Id: I9e6c925744ed928f7a5c6fbe54942e8b3895b1b9
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/clover b/docs/submodules/clover
index 66cc1be..d031212 160000 (submodule)
--- a/docs/submodules/clover
+++ b/docs/submodules/clover
@@ -1 +1 @@
-Subproject commit 66cc1be27b7fbb27c01a726663e42608eb411672
+Subproject commit d031212e58932602779122ba384495dbefb680fa