update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/package/jack2/0005-gcc7.patch

@@ -0,0 +1,31 @@
+From f7bccdca651592cc4082b28fd4a01ed6ef8ab655 Mon Sep 17 00:00:00 2001
+From: Kjetil Matheussen <k.s.matheussen@notam02.no>
+Date: Sat, 15 Jul 2017 13:21:59 +0200
+Subject: [PATCH] Tests: Fix compilation with gcc7
+
+Fixes
+../tests/test.cpp: In function ‘int process4(jack_nframes_t, void*)’:
+../tests/test.cpp:483:73: error: call of overloaded ‘abs(jack_nframes_t)’ is ambiguous
+  if (delta_time > 0  && (jack_nframes_t)abs(delta_time - cur_buffer_size) > tolerance) {
+
+Downloaded from upstream commit
+https://github.com/jackaudio/jack2/commit/f7bccdca651592cc4082b28fd4a01ed6ef8ab655
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+---
+ tests/test.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tests/test.cpp b/tests/test.cpp
+index 8a8a8117..d2ef9a05 100644
+--- a/tests/test.cpp
++++ b/tests/test.cpp
+@@ -479,7 +479,7 @@ int process4(jack_nframes_t nframes, void *arg)
+ 	jack_nframes_t delta_time = cur_time - last_time;
+ 
+ 	Log("calling process4 callback : jack_frame_time = %ld delta_time = %ld\n", cur_time, delta_time);
+-	if (delta_time > 0  && (jack_nframes_t)abs(delta_time - cur_buffer_size) > tolerance) {
++	if (delta_time > 0  && abs((int64_t)delta_time - (int64_t)cur_buffer_size) > (int64_t)tolerance) {
+ 		printf("!!! ERROR !!! jack_frame_time seems to return incorrect values cur_buffer_size = %d, delta_time = %d tolerance %d\n", cur_buffer_size, delta_time, tolerance);
+ 	}
+