Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - u/fuel: Bump for keyserver proxy patch rebase

    Change-Id: Ib1667d1dda837faaca56c3a6b53c965de40fb207
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index bdf662a..3aea74f 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit bdf662a5d586edd16ca315c0b8ce163f25afb04a
+Subproject commit 3aea74f31fb6d1ea9d000aa578e9fdc7ec482a3d