Update git submodules

* Update docs/submodules/fuel from branch 'stable/euphrates'
  - [baremetal] Disable dhcp offered routes

    Prevent dhcp client from setting an unwanted
    default routes on compute nodes.

    Conflicts:
    	mcp/reclass/classes/system

    [stable/euphrates cherry-pick]
    Drop reclass system submodule bump, only applicable to master.

    Change-Id: I2529491bbc977647e5f457d5f1ba88b0cc4372ee
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>
    (cherry picked from commit 658418ea84e633f5f97a706a075d7e2f24127999)

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 644a0b4..3b5886c 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 644a0b4a671af5a146b8a8a64cc017e98f0d5986
+Subproject commit 3b5886cc27e77b74abb4e19f635a20b6a805cd20