CONFIG_TRIZEPS_PXA is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

PXA based Keith und Koep Trizeps DIMM-Modules

configname: CONFIG_TRIZEPS_PXA

Linux Kernel Configuration
└─>Intel PXA2xx/PXA3xx Implementations
└─>PXA based Keith und Koep Trizeps DIMM-Modules
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
depends
CONFIG_ARCH_PXA

is selected by
CONFIG_MACH_TRIZEPS4