Updated git submodules

Project: releng/builder master a65b8fcaaac7392e3dbd315077149f65b9c02e3f

Make system detection script detect gbp for Heat

Our Heat script uses the gbp part of the image name such as "Ubuntu
14.04 - gbp - 20161031-0916" to detect which image spinup script to
initialize. This patch makes removes the os portion of the hostname as
it is not used in Heat instance names.

Change-Id: I36fd58271bd7a67721e65dbc4724e088c0f1f8bb
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>

diff --git a/docs/submodules/releng/builder b/docs/submodules/releng/builder
index 7249f71cdaed3cd57246123bf36eb8329c999cfb..a65b8fcaaac7392e3dbd315077149f65b9c02e3f 160000 (submodule)
--- a/docs/submodules/releng/builder
+++ b/docs/submodules/releng/builder
@@ -1 +1 @@
-Subproject commit 7249f71cdaed3cd57246123bf36eb8329c999cfb
+Subproject commit a65b8fcaaac7392e3dbd315077149f65b9c02e3f