Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Stop cloning when running vyos_vrouter

    It moves the clone operation into docker build instead.

    Change-Id: I296005d8638510a999665d383a26c4fcd48897a6
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 2e7f66734394dc5e749ef9ac95e46a8ded9fb2c9)

  - 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>
    (cherry picked from commit 59cf95974b2b9c0271c1ff9c9604b960c4bcfa26)

  - Update scenario section in tempest.conf

    It's required at least by Barbican tempest plugin.

    Change-Id: I46a65ee5fee044917c5375adaa8ebb529efe86ec
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 9ec639526ed32d4b05168627c5c016fb66b7d008)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 2c4a269..e69190c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 2c4a269e22d1727ba15fe9a4a946485b7321d292
+Subproject commit e69190cc9b0763c9a72b654df56fb3ed5f27430f