Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Update configguide (latest results)

    Change-Id: I5eb2f3b0096e57c9f72c07a8adea3bbe4aae3ec7
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 5270142e02cb28f88ea63fb8210e80f8a769eed7)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 064b5b7..4a59f16 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 064b5b77d744ea0e43cc4a3f0fadb739afa45850
+Subproject commit 4a59f16764a41ee8d993a7de19a356fc75c92c5e