[POWERPC] Wire up some more syscalls

signalfd, timerfd and eventfd
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

include/asm-powerpc/systbl.h

@@ -308,3 +308,6 @@ COMPAT_SYS_SPU(move_pages)
 SYSCALL_SPU(getcpu)
 COMPAT_SYS(epoll_pwait)
 COMPAT_SYS_SPU(utimensat)
+COMPAT_SYS_SPU(signalfd)
+COMPAT_SYS_SPU(timerfd)
+SYSCALL_SPU(eventfd)

include/asm-powerpc/unistd.h

@@ -327,10 +327,13 @@
 #define __NR_getcpu		302
 #define __NR_epoll_pwait	303
 #define __NR_utimensat		304
+#define __NR_signalfd		305
+#define __NR_timerfd		306
+#define __NR_eventfd		307
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls		305
+#define __NR_syscalls		308
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls