List virtio console device in pci-ids.txt

As mentioned in:

  http://lists.gnu.org/archive/html/qemu-devel/2009-01/msg00907.html

pci-ids.txt needs updating to list the the virtio-console PCI device ID.
Signed-off-by: NStuart Brady <stuart.brady@gmail.com>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6428 c046a42c-6fe2-441c-8c8c-71466251a162

pci-ids.txt

@@ -19,8 +19,9 @@ VirtIO Device IDs
 1af4:1000  network device
 1af4:1001  block device
 1af4:1002  balloon device
+1af4:1003  console device
 
-1af4:1003  Reserved.
+1af4:1004  Reserved.
    to      Contact Gerd Hoffmann <kraxel@redhat.com> to get a
 1af4:10ef  device ID assigned for your new virtio device.