Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Apply upstream patches

    For opendaylight support:
      * neutron formula
      * reclass system model

    Plus missing apply of haproxy state.

    Change-Id: Ic9e3672b51d5331656d636c44c3f891e49437e23
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 0941512..5005e2f 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 094151224e3dd1f0d19acc184ffabdc9b597255e
+Subproject commit 5005e2f8a9c4d9bb10feeea61d8e5651d76fc2b7