Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Introduce Rally scenarios for Gnocchi"
  - Introduce Rally scenarios for Gnocchi

    Added scenarios for testing:

    - capabilities
    - status
    - archive policy
    - archive policy rule
    - resource
    - resource type
    - metric

    Change-Id: I79f4f0b2bd4d206588ea3edbce8037d1cb993646
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 251024b..03b09ed 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 251024b29199ecee86661b8850751d982b7c5797
+Subproject commit 03b09edc5991ee93677131e25c4e4ac1517edb23