soc/intel/common: Use ACPI_COMMON_MADT_IOAPIC

For the first IOAPIC, use the common MADT generator with
default IRQ overrides.

Change-Id: Ie6e3eae1728a9a94205ec59557d4af1655191166
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74358
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/soc/intel/common/block/acpi/Kconfig

@@ -1,7 +1,9 @@
 config SOC_INTEL_COMMON_BLOCK_ACPI
 	depends on SOC_INTEL_COMMON_BLOCK_CPU
 	depends on SOC_INTEL_COMMON_BLOCK_PMC
+	select ACPI_COMMON_MADT_IOAPIC
 	select ACPI_COMMON_MADT_LAPIC if !SOC_INTEL_COMMON_BLOCK_ACPI_CPU_HYBRID
+	select ACPI_CUSTOM_MADT
 	bool
 	help
 	  Intel Processor common code for ACPI

src/soc/intel/common/block/acpi/acpi.c

@@ -80,12 +80,12 @@ unsigned long acpi_fill_madt(unsigned long current)
 
 	/* IOAPIC */
 	ioapic_entries = soc_get_ioapic_info(&ioapic_table);
-	for (int i = 0; i < ioapic_entries; i++)
-		current += acpi_create_madt_ioapic_from_hw((void *)current, ioapic_table[i]);
 
-	/* INT_SRC_OVR */
-	current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0);
-	current += acpi_create_madt_sci_override((void *)current);
+	/* Default SOC IOAPIC entry */
+	ASSERT(ioapic_table[0] == IO_APIC_ADDR);
+
+	for (int i = 1; i < ioapic_entries; i++)
+		current += acpi_create_madt_ioapic_from_hw((void *)current, ioapic_table[i]);
 
 	return current;
 }