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

Airgoo HMT

modulename: mach-hmt.ko

configname: CONFIG_MACH_HMT

Linux Kernel Configuration
└─>Airgoo HMT
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
Machine support for the Airgoo HMT

source code: