Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "[baremetal] Migrate public bridge to ovs"
  - [baremetal] Migrate public bridge to ovs

    Get rid of "ovs-to-linux" links, instead of this setup native ovs
    bridge for public interface and link it with neutron external bridge.

    Change-Id: I483881e78f22fc035107a622307d95761c4a5667
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 8c15c36..24dad46 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 8c15c3675d57bfaed9c6923ed8adfdb6879fea49
+Subproject commit 24dad46d51e6740400effd037f14d99defc5eafd