[S390] Wire up signald, timerfd and eventfd syscalls.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 4ed078e..790c1c5 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -253,7 +253,10 @@
 #define __NR_utimes		313
 /* Number 314 is reserved for new sys_fallocate */
 #define __NR_utimensat		315
-#define NR_syscalls 316
+#define __NR_signalfd		316
+#define __NR_timerfd		317
+#define __NR_eventfd		318
+#define NR_syscalls 319
 
 /* 
  * There are some system calls that are not present on 64 bit, some