PCI: use for_each_pci_dev()

Use for_each_pci_dev() to simplify the code.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c
index aa795fd..eec9738 100644
--- a/drivers/pci/setup-irq.c
+++ b/drivers/pci/setup-irq.c
@@ -59,7 +59,6 @@
 	       int (*map_irq)(struct pci_dev *, u8, u8))
 {
 	struct pci_dev *dev = NULL;
-	while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+	for_each_pci_dev(dev)
 		pdev_fixup_irq(dev, swizzle, map_irq);
-	}
 }