Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Align opendaylight settings with upstream

    Change-Id: If7d51555bc13dbcaa63f93ab1993f3655e2ce643
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 5e5e35e..7d67464 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 5e5e35e0cc0cf0abe1fd4a8d0cee8d6541a7f81b
+Subproject commit 7d67464f9e33659de42ac4f1591f7a2cdc5bd178