CONFIG_ARC_CPU_REL_4_10 is not available for thedefaultarchitecture x86.
Result is shown for architecture arc
default or selected kernelversion does not have config value CONFIG_ARC_CPU_REL_4_10.
Result is shown for kernelversion 6.5.1

Enable support for Rel 4.10 features

configname: CONFIG_ARC_CPU_REL_4_10

Linux Kernel Configuration
└─>ARC Architecture Configuration
└─>ARC CPU Configuration
└─>Enable support for Rel 4.10 features
In linux kernel since version 3.1 (release Date: 2011-10-24)  
-ARC770 (and dependent features) enabled
-ARC750 also shares some of the new features with 770