Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "[states] virtual control plane: dist_upgrade=True"
  - [states] virtual control plane: dist_upgrade=True

    Change-Id: I9c5c6cf564245d497d5916cc7f902ac277105bc6
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 4c3dbc5..01afa04 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 4c3dbc5ded977eaab79e9ef2e5d4a0e3f3809650
+Subproject commit 01afa0457ebb04ff5457ecbd0c0dc33adfbc091c