Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Create output directory

    The rally.conf gets copied before the target directory has been created.

    JIRA: FUNCTEST-1007
    JIRA: DOVETAIL-730

    Change-Id: Ie774fce994ada644c1163600e6c62e1231fde443
    Signed-off-by: Georg Kunz <georg.kunz@ericsson.com>
    (cherry picked from commit b55aa749c379ce7af918f43558f2195e2259d872)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index f98f495..071abb8 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit f98f4954e2d9a68d40163eb48d4f6afc8e520590
+Subproject commit 071abb80da8bd2176e5c99ae3ba0afac3d986b07