gdb: Fix build failures on musl

mode_t is needed by gdbserver headers so include sys/types.h to get them

(From OE-Core rev: b0742a41e80c48de98f82f7d1e963d462c941934)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/gdb/gdb.inc

@@ -5,6 +5,7 @@ inherit gettext
 SRC_URI += "file://0002-Change-order-of-CFLAGS.patch \
             file://0003-Add-support-for-Renesas-SH-sh4-architecture.patch \
             file://0001-Use-exported-definitions-of-SIGRTMIN.patch \
+            file://0001-include-sys-types.h-for-mode_t.patch \
            "
 #LDFLAGS_append = " -s"
 #export CFLAGS_append=" -L${STAGING_LIBDIR}"

meta/recipes-devtools/gdb/gdb/0001-include-sys-types.h-for-mode_t.patch

@@ -0,0 +1,30 @@
+From acbee4edacb80b5eeaff2480712fe98e56443997 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 19 Jan 2016 18:18:52 -0800
+Subject: [PATCH] include sys/types.h for mode_t
+
+mode_t is used in target.h, so we need to include sys/types.h to get the
+defintion
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+Upstream-Status: Pending
+
+ gdb/gdbserver/target.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/gdb/gdbserver/target.h b/gdb/gdbserver/target.h
+index 9a40867..aaecab9 100644
+--- a/gdb/gdbserver/target.h
++++ b/gdb/gdbserver/target.h
+@@ -27,6 +27,7 @@
+ #include "target/waitstatus.h"
+ #include "mem-break.h"
+ #include "btrace-common.h"
++#include <sys/types.h>
+ 
+ struct emit_ops;
+ struct buffer;
+-- 
+2.7.0
+