Update git submodules

* Update docs/submodules/armband from branch 'master'
  - u/fuel: Bump & rebase for virtual PDF support

    Finally drop hardcoded IP addresses for virtual deploys from reclass,
    but keep one small patch adjusting the local vPDF to achieve the same
    goal.

    JIRA: FUEL-322

    Change-Id: I56a3b0487f564355a4c51b4eb71ec97e92531f1d
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 32bba0e..3dd58f2 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 32bba0e639eaca254e18b5e4d36969f21f9e3d0e
+Subproject commit 3dd58f27b33ec53c802809764ff5fa8293dcdd17