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

CONFIG_HAS_MTU (not configurable)

modulename: timer.ko

configname: CONFIG_HAS_MTU

Linux Kernel Configuration
└─>HAS_MTU
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
Support for Multi Timer Unit. MTU provides access
to multiple interrupt generating programmable
32-bit free running decrementing counters.

source code: