Update git submodules

* Update docs/submodules/functest from branch 'stable/euphrates'
  - Merge "Fix rally cinder scenarios" into stable/euphrates
  - Fix rally cinder scenarios

    Remove network and servers context and set image and flavor as a
    scenario parameters.

    Change-Id: I5181ccce61c4f58af3737619d1b7d259cf539937
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>
    (cherry picked from commit a9337bc5618bb90cd9502f1ec9dc409e18eae0f7)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 925fd67..7cd94ec 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 925fd67983d97b16022620ef4c51a70ecf639f2a
+Subproject commit 7cd94ecd76db61ec6a2610355103b8d966c83a72