arch/x86/ioapic: use uintptr_t for IOAPIC base address

Use uintptr_t for the IOAPIC base parameter of the various IOAPIC-
related functions to avoid needing type casts in the callers. This also
allows dropping the VIO_APIC_VADDR define and consistently use the
IO_APIC_ADDR define instead.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I912943e923ff092708e90138caa5e1daf269a69f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80358
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
diff --git a/src/mainboard/intel/d945gclf/mptable.c b/src/mainboard/intel/d945gclf/mptable.c
index 8dde3a7..7ab47b4 100644
--- a/src/mainboard/intel/d945gclf/mptable.c
+++ b/src/mainboard/intel/d945gclf/mptable.c
@@ -18,7 +18,7 @@
 	mptable_write_buses(mc, NULL, &isa_bus);
 
 	/* I/O APICs:	APIC ID	Version	State		Address */
-	u8 ioapic_id = smp_write_ioapic_from_hw(mc, VIO_APIC_VADDR);
+	u8 ioapic_id = smp_write_ioapic_from_hw(mc, IO_APIC_ADDR);
 
 	/* Legacy Interrupts */