qmp: update virtio feature maps, vhost-user-gpio introspection

qmp: update virtio feature maps, vhost-user-gpio introspection

Add new vhost-user protocol feature to vhost-user protocol feature map
and enumeration:
 - VHOST_USER_PROTOCOL_F_STATUS

Add new virtio device features for several virtio devices to their
respective feature mappings:

virtio-blk:
 - VIRTIO_BLK_F_SECURE_ERASE

virtio-net:
 - VIRTIO_NET_F_NOTF_COAL
 - VIRTIO_NET_F_GUEST_USO4
 - VIRTIO_NET_F_GUEST_USO6
 - VIRTIO_NET_F_HOST_USO

virtio/vhost-user-gpio:
 - VIRTIO_GPIO_F_IRQ
 - VHOST_USER_F_PROTOCOL_FEATURES

Add support for introspection on vhost-user-gpio devices.

Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Reviewed-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-Id: <20230926224107.2951144-3-jonah.palmer@oracle.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>