signal/timer/event: signalfd wire up x86 arches

This patch wires the signalfd system call to the x86 architectures.

Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index bd21e79..d8383b6 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -326,10 +326,11 @@
 #define __NR_getcpu		318
 #define __NR_epoll_pwait	319
 #define __NR_utimensat		320
+#define __NR_signalfd		321
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 321
+#define NR_syscalls 322
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR