PCI/portdrv: Use conventional Device ID table formatting

The pci_device_id table was technically correct, but unusually formatted,
which made adding entries error-prone.  Change the format so it's obvious
how to add entries.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/pcie/portdrv_pci.c

@@ -182,10 +182,10 @@ static void pcie_portdrv_err_resume(struct pci_dev *dev)
 /*
  * LINUX Device Driver Model
  */
-static const struct pci_device_id port_pci_ids[] = { {
+static const struct pci_device_id port_pci_ids[] = {
 	/* handle any PCI-Express port */
-	PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0),
-	}, { /* end: all zeroes */ }
+	{ PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0) },
+	{ },
 };
 
 static const struct pci_error_handlers pcie_portdrv_err_handler = {