PCI: Fix drivers/pci/pci.c kernel-doc warnings

Fix kernel-doc warnings in drivers/pci/pci.c:

Warning(drivers/pci/pci.c:1550): No description found for parameter 'pci_dev'
Warning(drivers/pci/pci.c:1550): Excess function parameter 'dev' description in 'pci_wakeup'
Signed-off-by: NRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>

drivers/pci/pci.c

@@ -1543,7 +1543,7 @@ void pci_pme_wakeup_bus(struct pci_bus *bus)
 
 /**
  * pci_wakeup - Wake up a PCI device
- * @dev: Device to handle.
+ * @pci_dev: Device to handle.
  * @ign: ignored parameter
  */
 static int pci_wakeup(struct pci_dev *pci_dev, void *ign)