Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [baremetal] Bring in ovs/dpdk scenario

    Change-Id: Ia0d828fa31549a12b6740e0edeeba2ab13a9b998
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 0f3fc04..f2ea17e 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 0f3fc04189db6156dd3a6d85c834f94b1d0c69aa
+Subproject commit f2ea17e489b4c3f5e0b5cdc75860b094f3a05b90