Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fully integrate promise in functest-features"
  - Fully integrate promise in functest-features

    Change-Id: I52a4719df1fd5f4159d0ba5eed1a9b14b8ba72f6
    Depends-On: Ia9ae55b127d0d324d97974f5e9b1923d7636d7cd
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 469abc9..d54c688 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 469abc969a94e3e3c6f4967b6d1fd8953a56e497
+Subproject commit d54c6883e2c347b9db6114b3793d3af0ae2d85dd