Update git submodules

* Update docs/submodules/functest from branch 'stable/danube'
  - Fix .gitreview in stable/danube

    Change-Id: Ice94ed01903458296b6777fe6145a9fa871211bf
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 05fcb04..09fb3ab 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 05fcb048d456b088ce79f01eb1cd36ba907845d4
+Subproject commit 09fb3ab86c7a9efe6e1217b945d71c4c1116e7e5