Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - u/fuel: Bump & rebase for maas.machines.storage

    Change-Id: I22781c20f353a81e546b1d6de390e6c58b31a494
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 0bd1adfbf11d58414b96d0277386b039a3117a9e)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index e3cffc6..1e6be0b 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit e3cffc6ebd73510294a4e7db9c4c25d01738ed73
+Subproject commit 1e6be0b7a685fe5c3575bb49843dfa1a12c071fd