bluez_utils: add patch to fix musl build issue

Fixes:

  http://autobuild.buildroot.org/results/e87/e87b45035077c26b786ebd111050d3ec278910bb/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/bluez_utils/0002-tools-hciconfig-include-fcntl.h.patch

@@ -0,0 +1,27 @@
+From ae607756a5f2a09bce1fc3a52e74b5f471245e33 Mon Sep 17 00:00:00 2001
+From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+Date: Mon, 6 Apr 2015 23:54:19 +0200
+Subject: [PATCH] tools/hciconfig: include <fcntl.h>
+
+Needed to get the definition of mode_t in musl.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+---
+ tools/hciconfig.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/tools/hciconfig.c b/tools/hciconfig.c
+index f1458b9..6776d62 100644
+--- a/tools/hciconfig.c
++++ b/tools/hciconfig.c
+@@ -34,6 +34,7 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <getopt.h>
++#include <fcntl.h>
+ #include <sys/param.h>
+ #include <sys/ioctl.h>
+ #include <sys/socket.h>
+-- 
+2.1.0
+