kernelconfig_penguin
CONFIG_ARCH_APPLE is not available for the default architecture x86.
Result is shown for architecture arm64
default or selected kernelversion does not have config value CONFIG_ARCH_APPLE.
Result is shown for kernelversion 5.13-rc1

is selected by
CONFIG_SERIAL_SAMSUNG

Apple Silicon SoC family

configname: CONFIG_ARCH_APPLE

Linux Kernel Configuration
└─> Platform selection
└─> Apple Silicon SoC family

This enables support for Apple's in-house ARM SoC family, starting
with the Apple M1.