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

PA Semi SoC-based platforms

configname: CONFIG_PPC_PASEMI

Linux Kernel Configuration
└─>PA Semi SoC-based platforms
In linux kernel since version 2.6.19 (release Date: 2006-11-29)  
This option enables support for PA Semi's PWRficient line
of SoC processors, including PA6T-1682M


depends
CONFIG_PPC64
CONFIG_PPC_MULTIPLATFORM

is selected by
CONFIG_PASEMI_MAC