scsi: pmcraid: Use pci_dev_id() to simplify the code

PCI core API pci_dev_id() can be used to get the BDF number for a PCI
device. We don't need to compose it manually. Use pci_dev_id() to simplify
the code a little bit.

Signed-off-by: Zheng Zengkai <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/pmcraid.c

···
 	struct Scsi_Host *shost = class_to_shost(dev);
 	struct pmcraid_instance *pinstance =
 		(struct pmcraid_instance *)shost->hostdata;
-	u32 adapter_id = (pinstance->pdev->bus->number << 8) |
-		pinstance->pdev->devfn;
+	u32 adapter_id = pci_dev_id(pinstance->pdev);
 	u32 aen_group = pmcraid_event_family.id;
 
 	return snprintf(buf, PAGE_SIZE,