Update git submodules

* Update docs/submodules/armband from branch 'stable/danube'
  - Update Host OS NTP Servers to pool.ntp.org

    Change-Id: If13c2448ca89f3a016e604c8cc1bf36813b7d90d
    Signed-off-by: Catalina Focsa <catalina.focsa@enea.com>
    (cherry picked from commit 8ee4cc754fc8f6a5d22c4b2d579cac2e643262ac)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 230f1cf..5322ced 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 230f1cf78e416908c4aa160e73a09ff54c92bc1b
+Subproject commit 5322ced367a79d9e605407cdf51d7c125440b85e