PCI: use dev_printk for PCI bus resource mssages

Since pci_bus has a struct device, use dev_printk directly instead
of faking it by hand.
Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/setup-bus.c

@@ -536,8 +536,7 @@ static void pci_bus_dump_res(struct pci_bus *bus)
                 if (!res)
                         continue;
 
-		printk(KERN_DEBUG "pci %04x:%02x: bus resource %d %s %pR\n",
-		       pci_domain_nr(bus), bus->number, i,
+		dev_printk(KERN_DEBUG, &bus->dev, "resource %d %s %pR\n", i,
 			   (res->flags & IORESOURCE_IO) ? "io: " : "mem:", res);
         }
 }