Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "states/network: parametrize Openstack public net"
  - states/network: parametrize Openstack public net

    Determine public network based on public IPs of compute nodes.

    Change-Id: I5a6b29a0458b0b839f8fdb3e32616a41d7a621f7
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 4497ce6..82b0ce5 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 4497ce6b74f1ca08b7f2d9c785fa7b4b0a6831a0
+Subproject commit 82b0ce54c84b0b20c3d3c7c686218bb6aa06e5bb