Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Print all debug messages in a second file"
  - Print all debug messages in a second file

    All modules are allowed to print in functest.debug.log.

    Change-Id: I9c0be258dba985c9d3171bc2d324464e41e1c584
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 77b42be..6bbf007 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 77b42be3030c6e57f1a47cfd7a42a098a52902b8
+Subproject commit 6bbf0075ccdeb014eda01c9ab18048e8321f9070