Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Apply network config on kvm nodes

    * re-assign ip from interface to bridge
      - install bridge utils
      - make a reboot straight away after network config
    * change image source for vcp

    Change-Id: I34506ee161337b5d3a4088cfdf3c082d99ccb695
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 277b845..26e7fdb 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 277b8458769e24c1f7afc2d7e67332047d9f2a02
+Subproject commit 26e7fdbefe5fe8b05fc70aecbd8192a4f7c7a1d4