ppc64: Add posix timer syscalls

arch/ppc64/kernel/misc.S

@@ -743,10 +743,6 @@ _GLOBAL(sys_call_table32)
 	.llong .sys_epoll_wait
 	.llong .sys_remap_file_pages
 
-	.rept NR_syscalls-239
-		.llong .sys_ni_syscall
-	.endr
-
 	.balign 8
 _GLOBAL(sys_call_table)
 	.llong .sys_restart_syscall	/* 0 */
@@ -989,7 +985,3 @@ _GLOBAL(sys_call_table)
 	.llong .sys_epoll_ctl
 	.llong .sys_epoll_wait
 	.llong .sys_remap_file_pages
-
-	.rept NR_syscalls-239
-		.llong .sys_ni_syscall
-	.endr

include/asm-ppc64/unistd.h

@@ -250,10 +250,23 @@
 #define __NR_sys_epoll_ctl	237
 #define __NR_sys_epoll_wait	238
 #define __NR_remap_file_pages	239
+#define __NR_timer_create	240
+#define __NR_timer_settime	241
+#define __NR_timer_gettime	242
+#define __NR_timer_getoverrun	243
+#define __NR_timer_delete	244
+#define __NR_clock_settime	245
+#define __NR_clock_gettime	246
+#define __NR_clock_getres	247
+#define __NR_clock_nanosleep	248
 
-#define NR_syscalls		260
+#define __NR_syscalls		249
+#ifdef __KERNEL__
+#define NR_syscalls	__NR_syscalls
+#endif
 
 #ifndef __ASSEMBLY__
+
 #ifdef __KERNEL_SYSCALLS__
 
 /*