Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [patch] Drop keystoneclient project ID checking

    Since we brought back NAT over MaaS PXE/admin, drop out-of-tree patch
    that was only needed for full network isolation (no cross-talk
    between public and admin).

    Change-Id: I577b1116bbdcc19647b3c01fe6f2acb7bb9ce627
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index ab97b5d..f45309a 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit ab97b5dff595d0e342a0121310a9c2e42f502bb4
+Subproject commit f45309a760e04597bdb379f3c7a1c0a2b28e1f87