Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Make arm-virtual1 pod not available for CI jobs"
  - Make arm-virtual1 pod not available for CI jobs

    Change-Id: I1ae47f2105744bfea8c8c589f41282d1c4ae2159
    Signed-off-by: Alexandru Nemes <alexandru.nemes@enea.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 9ddd858..703f47a 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 9ddd858db21e9cd1cf01b9462867ed3ed0f28324
+Subproject commit 703f47ae905112518daa50b145be9d418fe4ca6d