Update git submodules

* Update docs/submodules/armband from branch 'stable/euphrates'
  - u/fuel: Bump & rebase for latest version

    This is to include public gw on prx nodes

    Change-Id: I6dbab7ae8e3ddb1df46f908acf53eeefb5680af2
    Signed-off-by: ting wu <ting.wu@enea.com>
    (cherry picked from commit 64e68af605752a539c62c0b02a613b6213b59665)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index f47ae00..895849f 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit f47ae0048dfd49841836a70ed1a525680fe44cf5
+Subproject commit 895849fba440ca772cb28a85ddfd49261d2b7633