tests/acpi: add data files for ioapic2 test variant

Copy microvm/APIC -> microvm/APIC.ioapic2
Copy microvm/DSDT -> microvm/DSDT.ioapic2

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-10-kraxel@redhat.com