pci, acpi: reroute PCI interrupt to legacy boot interrupt equivalent, warning fix

This patch just fixes the compiler warning:

  drivers/pci/quirks.c: In function ‘quirk_reroute_to_boot_interrupts_intel’:
  drivers/pci/quirks.c:1375: warning: unused variable ‘i’
Signed-off-by: NBernhard Walle <bwalle@suse.de>
Cc: sassmann@suse.de
Signed-off-by: NIngo Molnar <mingo@elte.hu>

drivers/pci/quirks.c

@@ -1372,8 +1372,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	0x260b, quirk_intel_pcie_pm);
  */
 static void quirk_reroute_to_boot_interrupts_intel(struct pci_dev *dev)
 {
-	int i;
-
 	if (noioapicquirk)
 		return;