CONFIG_PPC_PASEMI_NEMO is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

Nemo motherboard Support

configname: CONFIG_PPC_PASEMI_NEMO

Linux Kernel Configuration
└─>PA Semi PWRficient options
└─>Nemo motherboard Support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This option enables support for the 'Nemo' motherboard
used in A-Eons's Amigaone X1000. This consists of some
device tree patches and workarounds for the SB600 South
Bridge that provides SATA/USB/Audio.