Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Adding orchestra test cases to orchestra project"
  - Adding orchestra test cases to orchestra project

    Orchestra introduced 2 VNF test cases:

     * orchestra_openims
     * orchestra_clearwaterims

    In the configuration, the 2 projects are still assigned to functest project
    This patch associate the cases with their real project

    Change-Id: I81f6d6fb473916f0f91a5b3795b3ed433c283fb4
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 3152429..1a6f7b2 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 31524290992dad02d5ca1e6b17304bf31b56b7f7
+Subproject commit 1a6f7b2483590e73ab2bc6092d10fed1933e2961