Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Last Release updates before tag (master)"
  - Last Release updates before tag (master)

    Change-Id: Icbe6943d574ab5878833fb0cfbc8cd05c65756d6
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index e37cf21..7c77508 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit e37cf21781d60f498e08683df4ca7b1993c52052
+Subproject commit 7c77508721ea591500f331a617729f039f524336