CONFIG_ARC_CPU_REL_4_10 is not available for the default architecture 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 5.9.9

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

-ARC770 (and dependent features) enabled
-ARC750 also shares some of the new features with 770