The second byte of the sector map descriptor is the configuration ID.
On a device with non-configurable layout, the only available map
descriptor's configuration ID must be 0x00 as required by the
JESD216D standard. This value is important, because we will check
each descriptor's configuration ID when we support multiple
configurations.

Note: The test data is fake - when we modified real data of a
configurable device to become non-configurable for test purpose, we
forgot to change this field.