Update buidlroot to version 2016.08.1

bsp/buildroot/package/connman/0002-nat-build-failure.patch

@@ -0,0 +1,30 @@
+From 68f4b4f5b220f256b17ad2f084d61fe89f3632ae Mon Sep 17 00:00:00 2001
+From: Gustavo Zacarias <gustavo@zacarias.com.ar>
+Date: Tue, 19 Apr 2016 08:38:38 -0300
+Subject: [PATCH] nat: fix build failure
+
+_GNU_SOURCE needs to be defined so that O_CLOEXEC symbols can be found in
+system header files.
+
+Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
+---
+Status: submitted upstream
+
+ src/nat.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/nat.c b/src/nat.c
+index 33ae6df..62e21d4 100644
+--- a/src/nat.c
++++ b/src/nat.c
+@@ -24,6 +24,7 @@
+ #include <config.h>
+ #endif
+ 
++#define _GNU_SOURCE
+ #include <errno.h>
+ #include <sys/types.h>
+ #include <sys/stat.h>
+-- 
+2.7.3
+