Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Pod name changes in ARMBAND

    arm-pod3 pod name is changed to arm-pod5
    arm-virtual1 pod name is changed to arm-virtual2

    Change-Id: I6746fcdd52bbed5b6a61147d0abc5db64876dc97
    Signed-off-by: Delia Popescu <delia.popescu@enea.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index d9a30ea..1e7eda2 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit d9a30eaa7596f78ef06e496d579a25f63b011280
+Subproject commit 1e7eda23e7196a760a0fb12a86d88ec0560c64fd