Add the function to support setting the MAC address.
For vdpa_sim_net, the driver will write the MAC address
to the config space, and other devices can implement
their own functions to support this.
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20240731031653.1047692-3-lulu@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>