Update git submodules

* Update docs/submodules/armband from branch 'master'
  - u/fuel: Bump & rebase for apache state revert

    Change-Id: I65c7d74af470953a2b62caddc3bc6be27df3879a
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
  - p/fuel: AArch64: base image: salt-minion preinst

    Change-Id: Ib22a92d3530e14d1b9e002507c73a5960d5b058e
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 3708367..a63e41a 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 37083673d6cdddbb9b710f4dd5efe832753e5856
+Subproject commit a63e41a621f1e558241f0a1e58ef75ea2a57c480