Update git submodules

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

    Change-Id: Ieeaf87ab920f1862e3a1b9ac3316d387ff64954f
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit dae8250ed871ed871a75b5e2eb0ab41879371950)

diff --git a/docs/submodules/clover b/docs/submodules/clover
index 8278ade..8d8abe2 160000 (submodule)
--- a/docs/submodules/clover
+++ b/docs/submodules/clover
@@ -1 +1 @@
-Subproject commit 8278adeda63d5cd9d70a20d0abb66d134d88be44
+Subproject commit 8d8abe26ba133345213b4afaca729659ad81c385