virtio/console: open console on PORT_READY

On PORT_READY, EDK2 expects the console port to be open in addition be
marked as console, so do it accordingly.

Signed-off-by: Sergio Lopez <slp@redhat.com>

src/devices/src/virtio/console/device.rs

@@ -227,6 +227,7 @@ impl Console {
 
                     if self.ports[cmd.id as usize].is_console() {
                         self.control.mark_console_port(mem, cmd.id);
+                        self.control.port_open(cmd.id, true);
                     } else {
                         // We start with all ports open, this makes sense for now,
                         // because underlying file descriptors STDIN, STDOUT, STDERR are always open too