CONFIG_CPU_R5432 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_CPU_R5432.
Result is shown for kernelversion 6.8.2

R5432

configname: CONFIG_CPU_R5432

CPU type
└─>R5432
In linux kernel since version 2.6.12