Add MAINTAINERS entry for virtio-gpu.
Add MAINTAINERS entry for virtio-gpu.

Signed-off-by: Gerd Hoffmann <cad73e70082427fddc9be3baaf34e698dffd21c0@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs