Update git submodules

* Update docs/submodules/fuel from branch 'stable/euphrates'
  - Merge "Enable neutron trunk ports" into stable/euphrates
  - Enable neutron trunk ports

    The network trunk service allows multiple networks to be
    connected to an instance using a single virtual NIC.

    JIRA: FUEL-303
    Change-Id: Id9e7c122bc1a32a59f18167e332ceaaa3897b5ef
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>
    (cherry picked from commit 66e745c73ac2aba1ef93ba90db4b167e49813863)

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index e45c959..0e05daa 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit e45c95993f33f38ef2a92a7b277e5888815df0c5
+Subproject commit 0e05daaf5e70f3980beda57bfadbff52adca16cb