powerpc: Wire up preadv and pwritev

[paulus@samba.org: changed to use syscall numbers 320 and 321 since
 perf_counters is currently using 319.]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/include/asm/systbl.h

@@ -322,3 +322,6 @@ SYSCALL_SPU(epoll_create1)
 SYSCALL_SPU(dup3)
 SYSCALL_SPU(pipe2)
 SYSCALL(inotify_init1)
+SYSCALL(ni_syscall)
+COMPAT_SYS_SPU(preadv)
+COMPAT_SYS_SPU(pwritev)

arch/powerpc/include/asm/unistd.h

@@ -341,10 +341,12 @@
 #define __NR_dup3		316
 #define __NR_pipe2		317
 #define __NR_inotify_init1	318
+#define __NR_preadv		320
+#define __NR_pwritev		321
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls		319
+#define __NR_syscalls		322
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls