Update git submodules

* Update docs/submodules/releng from branch 'master'
  to d1bcb4d4ae6dd660b83df87636d2642ddff7755d
  - Added vineperf and cirv-sdv under Kali-releases

    Modify the reference
    Add cirv-sdv too

    Signed-off-by: Sridhar K. N. Rao <sridhar.rao@spirent.com>
    Change-Id: Ia432c2b4eba1e5f75a250c3c160b6ad6db9db612

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 196ce49..d1bcb4d 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 196ce49240ed59511a4b7f908a43205f9aa59960
+Subproject commit d1bcb4d4ae6dd660b83df87636d2642ddff7755d