CONFIG_ARC32 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_ARC32.
Result is shown for kernelversion 6.2.5

CONFIG_ARC32 (not configurable)

configname: CONFIG_ARC32

Linux Kernel Configuration
└─>ARC32
In linux kernel since version 2.6.12