CONFIG_BFIN_GPTIMERS is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin

Enable Blackfin General Purpose Timers API

modulename: gptimers.ko

configname: CONFIG_BFIN_GPTIMERS

Linux Kernel Configuration
└─>Blackfin Processor Options
└─>Enable Blackfin General Purpose Timers API
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
Enable support for the General Purpose Timers API. If you
are unsure, say N.

To compile this driver as a module, choose M here: the module
will be called gptimers.

source code: