Update git submodules

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

    Change-Id: I0bf36ade79626704788d4b42baf0dddb8e30a665
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 532cc0804053f2b138f23fa85e7f30c839b0b85a)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 56298a6..79793da 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 56298a691ccef65102bbf139f9cec097230615e3
+Subproject commit 79793daa2692de8951f0e34b2091a79ef7386158