Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [noha] Get OVS 2.9 & DPDK 17.11 from UCA repo

    Align all noha scenarios to install OVS 2.9 which doesn't drop
    packets on bridge with netdev datapath type at initial stage.

    Change-Id: Iab204828ac7acefcb26647cdbc27805871904f2c
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 0908d94..7e825a1 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 0908d946b32e5b134fab4eb0e119d8bf9661c902
+Subproject commit 7e825a17e1e31eb4010f0c646314263f26164dab