Update git submodules

* Update docs/submodules/armband from branch 'master'
  - p/fuel: Rebase for os cacert

    While rebasing, drop batch apply of linux.network state for VCP nodes,
    as it does not fix the underlying problem and only introduces extra
    delay.

    Reverts commits: 4f1bfdd

    Change-Id: I365b029aa2855334e295907cdde623b1717fc69a
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index e0d9c39..2da7980 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit e0d9c392488c74393574fcd93ad1f8a3ad576130
+Subproject commit 2da79800d8ee9bc4210740255a42f7ec7a65c072