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

CONFIG_TRIZEPS_PCMCIA (not configurable)

modulename: pxa2xx_trizeps4.ko

and/or

trizeps4-pcmcia.ko

configname: CONFIG_TRIZEPS_PCMCIA

Linux Kernel Configuration
└─>Intel PXA2xx/PXA3xx Implementations
└─>TRIZEPS_PCMCIA
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
Enable PCMCIA support for Trizeps modules

source code:
drivers/pcmcia/pxa2xx_trizeps4.c
depends
CONFIG_ARCH_PXA

is selected by
CONFIG_PCMCIA_PXA2XX