Update git submodules

* Update docs/submodules/armband from branch 'master'
  - cleanup: Fuel: docker: remove obsolete ffi patch

    This patch is no longer needed, since upstream package repos have
    fixed meanwhile.

    Change-Id: Ic73d7e60cce6a1a0c152885caeb30f49d68e7441
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 8ee4cc7..0716a89 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 8ee4cc754fc8f6a5d22c4b2d579cac2e643262ac
+Subproject commit 0716a89e4055be29c140044608293ec5a95b08c6