kernelconfig_penguin
CONFIG_MACH_SUN7I is not available for the default architecture x86.
Result is shown for architecture arm

Allwinner A20 (sun7i) SoCs support

configname: CONFIG_MACH_SUN7I

Linux Kernel Configuration
└─> Allwinner SoCs
└─> Allwinner A20 (sun7i) SoCs support