[MIPS] Wire up vmsplice(2) and move_pages(2).

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/scall32-o32.S

@@ -647,6 +647,8 @@ einval:	li	v0, -EINVAL
 	sys	sys_splice		4
 	sys	sys_sync_file_range	7	/* 4305 */
 	sys	sys_tee			4
+	sys	sys_vmsplice		4
+	sys	sys_move_pages		6
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to