CONFIG_SYSCLK_75 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_SYSCLK_75.
Result is shown for kernelversion 5.4.123

75

configname: CONFIG_SYSCLK_75

Galileo Chip Clock
└─>75
In linux kernel since version 2.6.12