Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Protect if default secgroup not created

    https://build.opnfv.org/ci/view/functest/job/functest-compass-virtual-daily-master/lastFailedBuild/console

    Change-Id: I2b5f1dc577f98773ad40ed3bcfff609d8d6c4b93
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 5bb60b33a8fad4859b7391576fdfed7cec4c14a8)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 6dc2c39..629de15 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 6dc2c395487d9ae69a6b23b9616d9f28e2de0cbf
+Subproject commit 629de15245ee6e73e6b10a81834d506b28c2a11f