MAINTAINERS: add missing AIO entry

Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: NFam Zheng <famz@redhat.com>
Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

MAINTAINERS

@@ -1229,6 +1229,7 @@ F: util/aio-*.c
 F: block/io.c
 F: migration/block*
 F: include/block/aio.h
+F: scripts/qemugdb/aio.py
 T: git git://github.com/stefanha/qemu.git block
 
 Block SCSI subsystem