Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Split modules in apidoc

    Change-Id: I467be9a70c74ff4eebfc50b8407fa503468f47ea
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a4d1717..8eac5db 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a4d1717626dfa349c66ea48704dcb3723469c5e9
+Subproject commit 8eac5dbbadc42122dea6c82edf14fdb4481c5e63