Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "pod_config: cleanup: Drop infra_compute_*_address"
  - pod_config: cleanup: Drop infra_compute_*_address

    Our PDF installer adapter defines 3 unused reclass params that are
    misleading, so drop them (infra_compute_node{01,02,03}_address).

    Change-Id: I0ca49b73add543c8f03b14ed4d805ce55f973bb5
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 759f1d7..a184534 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 759f1d74d0345463030af0bde47f57b42e21c4d1
+Subproject commit a184534e19e2afcfd08b4bade6e87dae4c454b71