Update git submodules

* Update docs/submodules/armband from branch 'stable/euphrates'
  - u/fuel: Fix patch apply failure after latest bump

    Change-Id: I7e05e05551bb1dee8f531e12fd60b85dcc67e695
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 72e0ffab0e9968161734183a72477a92b51c1a90)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 895849f..9b542ee 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 895849fba440ca772cb28a85ddfd49261d2b7633
+Subproject commit 9b542ee2202c702445128e019b2454960d828651