bios-tables-test: teach test to use smbios 3.0 tables

bios-tables-test: teach test to use smbios 3.0 tables

Introduce the 64-bit entry point. Since we no longer have a total
number of structures, stop checking for the new ones at the EOF
structure (type 127).

Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20220731162141.178443-3-jusual@redhat.com>
Message-Id: <20221011111731.101412-3-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>