Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix domain in tenant creation"
  - Fix domain in tenant creation

    Use the ID of the domain when creating a tenant on keystone v3.

    Change-Id: Ic415237e2bb2d537f07ab2245816a575f977aaa0
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index de754b3..94d1bdd 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit de754b305ad82defae6e2c7bc5a358184aede6b4
+Subproject commit 94d1bddfdd97379e50e4c12f26116441e836d0f6