default or selected kernelversion does not have config value CONFIG_SENSORS_MAX6642.
Result is shown for kernelversion 6.9.9

Maxim MAX6642 sensor chip

modulename: max6642.ko

configname: CONFIG_SENSORS_MAX6642

Linux Kernel Configuration
└─>Device Drivers
└─>Hardware Monitoring support
└─>Maxim MAX6642 sensor chip
In linux kernel since version 3 (release Date: 2011-07-21)  
If you say yes here you get support for MAX6642 sensor chip.
MAX6642 is a SMBus-Compatible Remote/Local Temperature Sensor
with Overtemperature Alarm from Maxim.

This driver can also be built as a module. If so, the module
will be called max6642.

source code: