kernelconfig_penguin
CONFIG_SYS_SUPPORTS_32BIT_KERNEL is not available for the default architecture x86.
Result is shown for architecture mips

CONFIG_SYS_SUPPORTS_32BIT_KERNEL (not configurable)

configname: CONFIG_SYS_SUPPORTS_32BIT_KERNEL

Linux/MIPS Kernel Configuration
└─> SYS_SUPPORTS_32BIT_KERNEL