Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Return true if at least one passed test

    JIRA: FUNCTEST-974

    Change-Id: I9915dbb91516baf5307a577c41ede5dca51a2f07
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a66e3b2..d77a8c4 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a66e3b24e4dccd9e58fa5947d9850df48e74f07e
+Subproject commit d77a8c4158562dea02500a7b6240b4934ab4fc7c