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

TI-NSPIRE based

modulename: irq-zevio.ko

and/or

zevio-timer.ko

and/or

clk-nspire.ko

configname: CONFIG_ARCH_NSPIRE

Linux Kernel Configuration
└─>TI-NSPIRE based
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This enables support for systems using the TI-NSPIRE CPU

source code:
drivers/irqchip/irq-zevio.c


is selected by
CONFIG_KEYBOARD_NSPIRE