Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [IDF] Move ip-range start higher for mgmt, public

    - move mgmt start to .10;
    - move public start to .100;
    - sync local idf-pod1;

    JIRA: ARMBAND-365

    Change-Id: I5d93c4f486daf280d8bdbe92f5aa7edd8d020db0
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 9972139..d6c6e35 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 9972139f91debfe24c8cb3cfcdfbc595619659e2
+Subproject commit d6c6e357854725975797c3ac0805781220885eed