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

ARM Ltd. Versatile family

modulename: versatile.ko

configname: CONFIG_ARCH_VERSATILE

Linux Kernel Configuration
└─>ARM Ltd. Versatile family
In linux kernel since version 2.6.12  
This enables support for ARM Ltd Versatile board.

source code: