Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "[ovn] Weed out gateway node from reclass storage"
  - [ovn] Weed out gateway node from reclass storage

    Change-Id: I87efd87f8ac05ed9b3189e5dba80748e07c86d5d
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index a183db4..ac53b02 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit a183db4b3404bd12073b5691eb5d4fbd8135b44b
+Subproject commit ac53b029407399c34c41275f3c98e09f8e1e27ce