Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Merge "Fix role processing in Patrole" into stable/fraser
  - Fix role processing in Patrole

    Role has to be listed in tempest.conf before calling testr.
    It also saves the right config file.

    Change-Id: Ifd122f31d0bfe3e9b3f93c6d62526acce96953d3
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 71c4b3b719289929c226cae60eb1b23ada16eeb2)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 1c221c4..57bf4cf 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 1c221c4c2a88830d448f4d396cc0534fa41988b6
+Subproject commit 57bf4cf671a55b4a651937bb42d664b4e90ccfe7