PPC32: Add set_tid_address and fadvise64 system calls.

arch/ppc/kernel/misc.S

@@ -1273,8 +1273,8 @@ _GLOBAL(sys_call_table)
 	.long sys_io_getevents
 	.long sys_io_submit	/* 230 */
 	.long sys_io_cancel
-	.long sys_ni_syscall	/* reserved for alloc_hugepages */
-	.long sys_ni_syscall	/* reserved for free_hugepages */
+	.long sys_set_tid_address
+	.long sys_fadvise64
 	.long sys_exit_group
 	.long sys_lookup_dcookie /* 235 */
 	.long sys_epoll_create

include/asm-ppc/unistd.h

@@ -236,6 +236,8 @@
 #define __NR_io_getevents	229
 #define __NR_io_submit		230
 #define __NR_io_cancel		231
+#define __NR_set_tid_address	232
+#define __NR_fadvise64		233
 #define __NR_exit_group		234
 #define __NR_lookup_dcookie	235
 #define __NR_epoll_create	236