Update git submodules

* Update docs/submodules/armband from branch 'master'
  - p/fuel: kvm nodes: Configure repos before new krn

    Armband requires a custom kernel on baremetal nodes (kvm, cmp).
    However, the repos (configured as part of `linux.system` high state)
    were added before installing the kernel only for cmp nodes.

    Change-Id: Ie8d6e9cf4eaa84c459a70112ef002d09be9c4cf4
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index aa16510..80f5ef3 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit aa165106e2f9819b4c350f6fd3b7547b005f8400
+Subproject commit 80f5ef39fb9057f42370333bb4d465349efe52b3