qemu.tests.cfg: Update config for nic_hotplug test

Signed-off-by: NQingtang Zhou <qzhou@redhat.com>
Signed-off-by: NFeng Yang <fyang@redhat.com>

qemu/tests/cfg/nic_hotplug.cfg

 - nic_hotplug: install setup image_copy unattended_install.cdrom
+    no RHEL.3
     pci_type = nic
+    type = pci_hotplug
     reference_cmd = lspci
     find_pci_cmd = 'lspci | tail -n1'
     pci_test_cmd = 'echo %s; nslookup www.redhat.com'
@@ -11,8 +13,11 @@
             match_string = "8139"
         - nic_virtio:
             #TODO: Confirm this works with libvirt
+            only virtio_net virtio_blk
             pci_model = virtio-net-pci
             match_string = "Virtio network device"
+            Host_RHEL.5:
+                pci_model = virtio
         - nic_e1000:
             pci_model = e1000
             match_string = "Gigabit Ethernet Controller"
@@ -24,9 +29,12 @@
             pci_num = 2
             repeat_times = 1
         - additional:
+            no Host_RHEL.5
             type = nic_hotplug
         - migration:
             # For now, migration + networking only works
             # with bridge (no usermode)
+            no Host_RHEL.5
             requires_root = yes
             type = migration_after_nichotplug
+            kill_vm = yes