Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [patch] Drop obsolete OVS port with route support

    Since we switched all scenarios to using only global gateway settings
    instead of per-interface routes, drop the obsolete patch for OVS
    ports with explicit routes.

    Change-Id: Ibd28849437b598add9847c991e0276b4d0fc505e
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 3831d53..bd26786 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 3831d538436cbf7c033b560b76f554a1dfe28a4c
+Subproject commit bd267864cf74da908379dedc378600501149477d