CONFIG_ACPI_THERMAL_REL (not configurable)

modulename: acpi_thermal_rel.ko

configname: CONFIG_ACPI_THERMAL_REL

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Thermal sysfs driver
└─>ACPI INT340X thermal drivers
└─>ACPI_THERMAL_REL
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/thermal/int340x_thermal/acpi_thermal_rel.c
depends
CONFIG_ACPI
CONFIG_THERMAL

is depended by
CONFIG_INT340X_THERMAL