qdev: don't access name through info

We already have a QOM interface for this so let's use it.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/xilinx_ethlite.c b/hw/xilinx_ethlite.c
index 6777254..de595f4 100644
--- a/hw/xilinx_ethlite.c
+++ b/hw/xilinx_ethlite.c
@@ -221,7 +221,7 @@
 
     qemu_macaddr_default_if_unset(&s->conf.macaddr);
     s->nic = qemu_new_nic(&net_xilinx_ethlite_info, &s->conf,
-                          dev->qdev.info->name, dev->qdev.id, s);
+                          object_get_typename(OBJECT(dev)), dev->qdev.id, s);
     qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
     return 0;
 }