CONFIG_ARCH_AUTCPU12 is not available for the default architecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_ARCH_AUTCPU12.
Result is shown for kernelversion 5.9.9


modulename: board-autcpu12.ko
configname: CONFIG_ARCH_AUTCPU12

Linux Kernel Configuration
└─> CLPS711X/EP721X/EP731X Implementations
└─> AUTCPU12

Say Y if you intend to run the kernel on the autronix autcpu12
board. This board is based on a Cirrus Logic CS89712.

source code: