Update git submodules

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

    Change-Id: Idd82da13949905a09158010cfd3f58912cccefe5
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit f7b415771ffd76ee1100b6b056942ba8db754b1d)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index cf421ba..f49c526 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit cf421ba6f593ad1d7c926db618657f8bf66d01a7
+Subproject commit f49c526c5ae897452c15619a3c322d297ff78d36