[POWERPC] Wire up sys_getcpu

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/systbl.h b/include/asm-powerpc/systbl.h
index 97b4354..418e5c7 100644
--- a/include/asm-powerpc/systbl.h
+++ b/include/asm-powerpc/systbl.h
@@ -305,3 +305,4 @@
 COMPAT_SYS_SPU(get_robust_list)
 COMPAT_SYS_SPU(set_robust_list)
 COMPAT_SYS(move_pages)
+SYSCALL_SPU(getcpu)