[POWERPC] celleb: Add support for PCI Express

This adds support for PCI Express port on Celleb.  I/O space of this
PCI Express port is not mapped in memory space.  So we use the
io-workaround mechanism to make accesses indirect.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/platforms/cell/celleb_pci.c

@@ -467,6 +467,9 @@ static struct of_device_id celleb_phb_match[] __initdata = {
 	}, {
 		.name = "epci",
 		.data = &celleb_epci_spec,
+	}, {
+		.name = "pcie",
+		.data = &celleb_pciex_spec,
 	}, {
 	},
 };