Replace DS18B20U+ (1-wire thermo + ID) by MCP9801-M/MS
We don't need the unique ID feature of the DS18B20U+.
GN4124 EEPROM can be used to store board ID data if needed.
Note that GN4124 boot configuration stops when reading 0xFFFF.
Therefore user data can be stored after 0xFFFF
The ALERT pin of MCP9801-M/MS must be connected to the FPGA.
This is to generate the carrier over-heat interrupt.