Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Move LF doc files into a new dir

    rtd forces conf.py to be in the root dir.
    Then it moves all LF files into a dedicated dir and reverts rtd
    config.py.

    Change-Id: I181c76c2b06df630aedf5b9fd96415ab9b23d9e1
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a4990a6..0d0f0d5 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a4990a60c9b8e499e698fab28f9368816e50c6f7
+Subproject commit 0d0f0d5e5f18cbb91c0119b16e737815a7756277