Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - u/fuel: Bump & rebase for upstream patches

    Change-Id: Ie25c098273b929e9a31adfcfd3eb95dcf856611a
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit baa15e4501d47adb80b1648d059881bdf57b2a9d)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index ad3a33f..3d72b1e 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit ad3a33fef5ed57e561e86857b2c4fb4c197d8f67
+Subproject commit 3d72b1e6caa95cbbf06deb455a99c2dc5d2e8841