virtio/vhost: add Jason to list of maintainers

Jason's been one of the mst active contributors
to virtio and vhost, it will help to formalize this
and list him as co-maintainer.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 3d838cf..eee287e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12780,6 +12780,7 @@
 
 VIRTIO CORE, NET AND BLOCK DRIVERS
 M:	"Michael S. Tsirkin" <mst@redhat.com>
+M:	Jason Wang <jasowang@redhat.com>
 L:	virtualization@lists.linux-foundation.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/virtio/
@@ -12810,6 +12811,7 @@
 
 VIRTIO HOST (VHOST)
 M:	"Michael S. Tsirkin" <mst@redhat.com>
+M:	Jason Wang <jasowang@redhat.com>
 L:	kvm@vger.kernel.org
 L:	virtualization@lists.linux-foundation.org
 L:	netdev@vger.kernel.org