Update git submodules

* Update docs/submodules/armband from branch 'stable/euphrates'
  - u/fuel: Bump & rebase for proxy apache fix

    Change-Id: Id4b6c37d6814458600e2554f96e4580b126f1b63
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 04f9a353dc4a52eb869f0eaac3aafec1723c0a3d)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index abfef7b..e20d301 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit abfef7b5acc25201d263e68e61ef01c375818bc9
+Subproject commit e20d301155b817855fb10332f6431681c34626ce