CONFIG_TIMER_USE_PWM2 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Use PWM Timer 2

configname: CONFIG_TIMER_USE_PWM2

Select clockevent/clocksource
└─>Use PWM Timer 2
In linux kernel since version 3.19 (release Date: 2015-02-08)  
Use PWM Timer 2 as the default clockevent/clocksourcer.