Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Precise self.result in pytest_suite_runner.py"
  - Precise self.result in pytest_suite_runner.py

    It also adds the related unit tests.

    Change-Id: I8325bd9a55c69b229e3c48a9e64aa963e685e03d
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index ec4514f..5509d6b 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit ec4514f240836129d5f3c25b4708d73a65b9cb60
+Subproject commit 5509d6b06cc77ecd913761b534db3951eb9777bd