MIPS: Wire up io_pgetevents syscall

Wire up the io_pgetevents syscall that was introduced by commit
7a074e96de ("aio: implement io_pgetevents").

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/19593/
Cc: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org

arch/mips/kernel/scall64-o32.S

@@ -584,4 +584,5 @@ EXPORT(sys32_call_table)
 	PTR	sys_pkey_free			/* 4365 */
 	PTR	sys_statx
 	PTR	sys_rseq
+	PTR	compat_sys_io_pgetevents
 	.size	sys32_call_table,.-sys32_call_table