CONFIG_CPU_ARM920T is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_CPU_ARM920T (not configurable)

modulename: proc-arm920.ko

configname: CONFIG_CPU_ARM920T

Linux Kernel Configuration
In linux kernel since version 2.6.12  
The ARM920T is licensed to be produced by numerous vendors,
and is used in the Cirrus EP93xx and the Samsung S3C2410.

Say Y if you want support for the ARM920T processor.
Otherwise, say N.

source code: