soc/intel/baytrail,braswell: Use COMMON_MADT_IOAPIC

Change IRQ #0 to GSI #2 override to positive edge trigger from
the bus ISA default (positive edge).

Change-Id: I3a61a0ceb0e6e4a09570beef6d0170354eb498ac
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74351
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/soc/intel/baytrail/Kconfig

@@ -7,6 +7,7 @@ if SOC_INTEL_BAYTRAIL
 
 config CPU_SPECIFIC_OPTIONS
 	def_bool y
+	select ACPI_COMMON_MADT_IOAPIC
 	select ACPI_COMMON_MADT_LAPIC
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
 	select ARCH_X86

src/soc/intel/baytrail/acpi.c

@@ -287,15 +287,3 @@ void generate_cpu_entries(const struct device *device)
 	/* Add a method to notify processor nodes */
 	acpigen_write_processor_cnot(pattrs->num_cpus);
 }
-
-unsigned long acpi_fill_madt(unsigned long current)
-{
-	/* IOAPIC */
-	current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR);
-
-	/* INT_SRC_OVR */
-	current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0);
-	current += acpi_create_madt_sci_override((void *)current);
-
-	return current;
-}

src/soc/intel/braswell/Kconfig

@@ -7,6 +7,7 @@ if SOC_INTEL_BRASWELL
 
 config CPU_SPECIFIC_OPTIONS
 	def_bool y
+	select ACPI_COMMON_MADT_IOAPIC
 	select ACPI_COMMON_MADT_LAPIC
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
 	select ARCH_X86

src/soc/intel/braswell/acpi.c

@@ -318,18 +318,6 @@ void generate_cpu_entries(const struct device *device)
 	acpigen_write_processor_cnot(pattrs->num_cpus);
 }
 
-unsigned long acpi_fill_madt(unsigned long current)
-{
-	/* IOAPIC */
-	current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR);
-
-	/* INT_SRC_OVR */
-	current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0);
-	current += acpi_create_madt_sci_override((void *)current);
-
-	return current;
-}
-
 unsigned long southcluster_write_acpi_tables(const struct device *device, unsigned long current,
 					     struct acpi_rsdp *rsdp)
 {