Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [mcp] Bring in deployment scripts

    Change-Id: I7d2af958e447a5892f7cd1f6c6fb8616951e2ff3
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index a6daf4e..27d968b 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit a6daf4ece3f05600ad66fea55c5220d07a71cef1
+Subproject commit 27d968bc35ef4f622acd171ada778a4e0f4c76fb