Update git submodules

* Update docs/submodules/armband from branch 'stable/euphrates'
  - ci/deploy.sh: Add support for CI_DEBUG

    While at it, use SSH_SALT global var in `cleanup_uefi`.

    Change-Id: I9400edde69d3aaaa1879cce0e79898c80db486db
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 3d92843941184335c2f1b3e8a074c6e9f2e49571)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 777eb4c..77e60fe 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 777eb4c1bcab2062afcdc65a0575cba268de562d
+Subproject commit 77e60fe7ecc572aa44e0da9e3817bd7b76078734