[POWERPC] Add new, missing argument to of_irq_map_raw() for 86xx.

Ben speaks; we follow.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 0b1b521..5e583cf 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -158,7 +158,7 @@
 
 	laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(slot, 0) << 8);
 	laddr[1] = laddr[2] = 0;
-	of_irq_map_raw(hosenode, &pin, laddr, &oirq);
+	of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq);
 	DBG("mpc86xx_hpcn: pci irq addr %x, slot %d, pin %d, irq %d\n",
 			laddr[0], slot, pin, oirq.specifier[0]);
 	return oirq.specifier[0];