Update git submodules

* Update docs/submodules/armband from branch 'master'
  - u/fuel: Bump for unh-pod1 updates & fixes

    Change-Id: I4dd5fe43a0bb84eb986c8b66b7d333f656c2be39
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 6559ae3..76fc13c 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 6559ae318b5278d85cd29056fd9c3c62b39f47c8
+Subproject commit 76fc13c29603e5d43e84d8cf6f504c6460afce08