CONFIG_MIPS_GT64120 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_MIPS_GT64120.
Result is shown for kernelversion 5.4.123

CONFIG_MIPS_GT64120 (not configurable)

modulename: ops-gt64120.ko

configname: CONFIG_MIPS_GT64120

Linux/MIPS Kernel Configuration
└─>Machine selection
└─>MIPS_GT64120
In linux kernel since version 2.6.12  
source code: