Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Ensure that all energy modules are fully covered"
  - Ensure that all energy modules are fully covered

    Change-Id: I501a404d1202cc92da5e62dbf9db2aa453ffd324
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 6e08695..5ed771a 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 6e08695a88cd128bcd880d6b5d6763819cff8476
+Subproject commit 5ed771a9a0dbc09610ecc900c0c3e86edc08eee6