Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix dict conversion in tempest.conf"
  - Fix dict conversion in tempest.conf

    https://github.com/openstack/oslo.config/blob/master/oslo_config/types.py#L600
    https://build.opnfv.org/ci/view/fuel/job/functest-fuel-virtual-daily-master/817/consoleFull

    Change-Id: Icde9938bb9f6c0c37d2504317f31b0af4ef9ee8e
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 4c7a122..a69d6de 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 4c7a122a6ff45a319162d084e194a414f072576c
+Subproject commit a69d6de9e915730ea404ecc2a37d227088c31471