Update git submodules

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

    Change-Id: I5eb2f3b0096e57c9f72c07a8adea3bbe4aae3ec7
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 13e4c58..5270142 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 13e4c5838b732bf9fd246cd4f97cb9b4e2b8e0b9
+Subproject commit 5270142e02cb28f88ea63fb8210e80f8a769eed7