PPC: e500: Declare pci bridge as bridge

The new PCI host bridge device needs to identify itself as PCI host bridge.
Declare it as such.

Signed-off-by: Alexander Graf <agraf@suse.de>

hw/ppce500_pci.c

@@ -330,9 +330,15 @@ static int e500_pcihost_bridge_initfn(PCIDevice *d)
     PPCE500CCSRState *ccsr = CCSR(container_get(qdev_get_machine(),
                                   "/e500-ccsr"));
 
+    pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
+    d->config[PCI_HEADER_TYPE] =
+        (d->config[PCI_HEADER_TYPE] & PCI_HEADER_TYPE_MULTI_FUNCTION) |
+        PCI_HEADER_TYPE_BRIDGE;
+
     memory_region_init_alias(&b->bar0, "e500-pci-bar0", &ccsr->ccsr_space,
                              0, int128_get64(ccsr->ccsr_space.size));
     pci_register_bar(d, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &b->bar0);
+
     return 0;
 }