MIPS: Wire up preadv2 and pwrite2 syscalls.

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

arch/mips/kernel/scall64-n32.S

@@ -424,4 +424,6 @@ EXPORT(sysn32_call_table)
 	PTR	sys_membarrier
 	PTR	sys_mlock2
 	PTR	sys_copy_file_range
+	PTR	compat_sys_preadv2		/* 6325 */
+	PTR	compat_sys_pwritev2
 	.size	sysn32_call_table,.-sysn32_call_table