Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Fix check if node type is baremetal for novcp

    Fixes: 86c8109

    Change-Id: I0a947bd7db5dd7cb830cc932f5a0d16831551923
    Signed-off-by: Delia Popescu <delia.popescu@enea.com>
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 84383fb..e4f0ae7 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 84383fb622dd1426af84fb9e061338a9a1098202
+Subproject commit e4f0ae735120b62f2db476b749a81fab5bab9242