Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Remove one useless security group

    This rule breaks lookup when the user created is admin.

    Change-Id: I2fe3dba687bd5d151cd7e53217586a0bcb21815d
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 65b9318ffcb4b12e0aa4aa08027a35ff1e2d285d)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index b8fae66..2c4a269 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit b8fae660ba9c58307be9d7719caebe13f07eda08
+Subproject commit 2c4a269e22d1727ba15fe9a4a946485b7321d292