Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "AArch64: s/ocata/pike/g in scenario defaults"
  - AArch64: s/ocata/pike/g in scenario defaults

    We hard set some repo URLs used for base image pre-building, so bump
    those to Pike, now that Armband repos for Pike are populated.

    JIRA: ARMBAND-335

    Change-Id: Ibd7267b628985a3c7a33d9d8a93c824077c69f10
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 33d945e..e9cce3a 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 33d945e3045f68ea7cbd2f1b8d01618cb3fed23c
+Subproject commit e9cce3a7cb13b00c631518a53e85ea90dd654ac4