soc/intel/meteorlake: Fix IGD IRQ

The wrong definition was used, so fix it.

Change-Id: I7ebbf0dcba4117ddeaa496b6faa83561d82c621d
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89561
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>

src/soc/intel/meteorlake/fsp_params.c

@@ -62,7 +62,7 @@ static const struct slot_irq_constraints irq_constraints[] = {
 		.slot = PCI_DEV_SLOT_IGD,
 		.fns = {
 			/* INTERRUPT_PIN is RO/0x01 */
-			FIXED_INT_ANY_PIRQ(PCI_DEV_SLOT_IGD, PCI_INT_A),
+			FIXED_INT_ANY_PIRQ(PCI_DEVFN_IGD, PCI_INT_A),
 		},
 	},
 	{