89d47c1927
there is no point to read fields here but not actually checking them so drop it and read only header + dsdt/facs addresses since it's needed later to fetch that tables. With this cleanup we can get rid of AcpiFadtDescriptorRev3/ ACPI_FADT_COMMON_DEF which have no users left. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>