Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Fix one whitespace character

    Change-Id: I631061178f4c96d28dfa4fcf22af0fef2c4f5db4
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 87128b7..d120b6c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 87128b7a4787be1517a8c6631671e9b5f4df2a6a
+Subproject commit d120b6cf30631ee7a0f27f4fc1d07facd6ce4047