bcma: change IRQ control function to accept bus as an argument

It doesn't operate on PCI core, but PCI host device, so there is no
point of passing core related struct.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/b43/main.c

@@ -4866,7 +4866,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
 	switch (dev->dev->bus_type) {
 #ifdef CONFIG_B43_BCMA
 	case B43_BUS_BCMA:
-		bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0],
+		bcma_core_pci_irq_ctl(dev->dev->bdev->bus,
 				      dev->dev->bdev, true);
 		bcma_host_pci_up(dev->dev->bdev->bus);
 		break;