Update git submodules

* Update docs/submodules/fuel from branch 'stable/fraser'
  - Clean out merged upstream patch

    Change-Id: I0c8f87bad0fbe55684bd43547674ed91a31f39f8
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>
    (cherry picked from commit 5ab2540591ad029b5b6cf23eab88959fbd14712b)

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 05ee61d..825e280 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 05ee61db7286648062a4acec3c665192504c8464
+Subproject commit 825e28054569d2df9b6ba0e9293cf0337ee11225