Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix parse error in tempest_smoke"
  - Fix parse error in tempest_smoke

    Test failes to parse /etc/rally/rally.conf
    (RALLY_CONF_FILE) whith inplace=1 keyword argument
    for fileinput
    One new space is added in second line

    JIRA: ARMBAND-395

    Change-Id: I8adb333047f9962f4105a6a74e2f8ef83d5745e0
    Signed-off-by: Delia Popescu <delia.popescu@enea.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9c19bb9..8aaf7d0 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9c19bb9bb41e36d4ca70563649ced92ce7ab9b82
+Subproject commit 8aaf7d0a04017b766aec7b029634d306135b44ef