Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - u/fuel: Bump & rebase for MaaS boot src selection

    Change-Id: I12a84a05dc26edb78f6f21a98e446b22babfd7c7
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 5bb8d21f085fdbd1d7b664b7036565f66c15af68)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index b03b474..42bfa72 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit b03b4742daeac3e46a5225dc11880a8a099bdcfe
+Subproject commit 42bfa72f399d2465f6527a21ff47e16cb587cb1a