CONFIG_ARC_HAS_RTC is not available for thedefaultarchitecture x86.
Result is shown for architecture arc
default or selected kernelversion does not have config value CONFIG_ARC_HAS_RTC.
Result is shown for kernelversion 6.4.14

Local 64-bit r/o cycle counter

configname: CONFIG_ARC_HAS_RTC

Linux Kernel Configuration
└─>ARC Architecture Configuration
└─>ARC CPU Configuration
└─>Local 64-bit r/o cycle counter
In linux kernel since version 4.2 (release Date: 2015-08-30)