Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - u/fuel: Bump & rebase for keyserver prx refresh

    Change-Id: If00a793dccfa6f779a6e2481b41ebec6bbdda39c
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit d5748bc0dd2fe4241a3924192d6beac860238551)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 3d72b1e..e5b73f1 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 3d72b1e6caa95cbbf06deb455a99c2dc5d2e8841
+Subproject commit e5b73f1666aea0f2b4dae7f5e6bb78979073a3e2