pull in the libc versions of these headers so that the proper
userspace defines/typedefs are utilized

--- a/include/asm-generic/siginfo.h
+++ b/include/asm-generic/siginfo.h
@@ -1,6 +1,10 @@
 #ifndef _ASM_GENERIC_SIGINFO_H
 #define _ASM_GENERIC_SIGINFO_H
 
+#ifndef __KERNEL__
+# include <signal.h>
+#else
+
 #include <linux/compiler.h>
 #include <linux/types.h>
 
@@ -267,7 +271,6 @@ typedef struct sigevent {
 #define sigev_notify_attributes	_sigev_un._sigev_thread._attribute
 #define sigev_notify_thread_id	 _sigev_un._tid
 
-#ifdef __KERNEL__
 
 struct siginfo;
 void do_schedule_next_timer(struct siginfo *info);