Update git submodules

* Update docs/submodules/armband from branch 'master'
  - fuel-main: Backport ntpd autostart enablement

    Upstream-bug: https://bugs.launchpad.net/fuel/+bug/1688631

    Change-Id: I7bc2dac4442c1b02b21fef82a9b9c008f4dab9ac
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index ff1b400..d7fdf2f 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit ff1b400a69aad4cce484690b22dfc408615217f3
+Subproject commit d7fdf2fe5dc992bbd155e9a86b1c02d14be5c3ba