mb/emulation/qemu-q35: Use common MADT

Select SOUTHBRIDGE_INTEL_COMMON_ACPI_MADT and drop the `acpi_fill_madt`
function definition, which is redundant. Tested, still boots to payload.

Change-Id: I6ba448f264a478e7ef060ea1dfbf5016a310d528
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50026
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/mainboard/emulation/qemu-q35/Kconfig b/src/mainboard/emulation/qemu-q35/Kconfig
index 4bbfd57..f0fcff0 100644
--- a/src/mainboard/emulation/qemu-q35/Kconfig
+++ b/src/mainboard/emulation/qemu-q35/Kconfig
@@ -15,6 +15,7 @@
 	select MAINBOARD_FORCE_NATIVE_VGA_INIT if !CHROMEOS
 	select MAINBOARD_HAS_LPC_TPM
 	select MAINBOARD_HAS_CHROMEOS
+	select SOUTHBRIDGE_INTEL_COMMON_ACPI_MADT
 
 config VBOOT
 	select VBOOT_MUST_REQUEST_DISPLAY
diff --git a/src/mainboard/emulation/qemu-q35/acpi_tables.c b/src/mainboard/emulation/qemu-q35/acpi_tables.c
index 90bab2f..ccf49c2 100644
--- a/src/mainboard/emulation/qemu-q35/acpi_tables.c
+++ b/src/mainboard/emulation/qemu-q35/acpi_tables.c
@@ -1,12 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <types.h>
 #include <acpi/acpi.h>
-#include <arch/ioapic.h>
-#include <arch/smp/mpspec.h>
-#include <device/device.h>
-#include <device/pci_ops.h>
-#include <version.h>
 
 #include "../qemu-i440fx/fw_cfg.h"
 #include "../qemu-i440fx/acpi.h"
@@ -19,24 +13,6 @@
 	fadt->acpi_disable = 0;
 }
 
-unsigned long acpi_fill_madt(unsigned long current)
-{
-	/* Local APICs */
-	current = acpi_create_madt_lapics(current);
-
-	/* IOAPIC */
-	current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
-				2, IO_APIC_ADDR, 0);
-
-	/* INT_SRC_OVR */
-	current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
-		 current, 0, 0, 2, 0);
-	current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
-		 current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH);
-
-	return current;
-}
-
 unsigned long acpi_fill_mcfg(unsigned long current)
 {
 	current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current,