Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "salt.sh: Copy mcp.rsa to cfg01"
  - salt.sh: Copy mcp.rsa to cfg01

    - let rsync transfer mcp.rsa* to cfg01;
    - symlink mcp.rsa in /root;

    Change-Id: I18cb70306faf9d166e1110e374a9fe16ac4449de
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index e1f66f6..9dfa19d 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit e1f66f65ff0a7e401a0b4b5275f915bbaabea128
+Subproject commit 9dfa19de4ae2962152c866657c9a2f60f96a1795