[$] A different approach to kernel configuration

The kernel's configuration system can be challenging to deal with; LinusTorvalds recently called it "one ofthe worst parts of the whole project". Thus, anything that mighthelp users with the process of configuring a kernel build would bewelcome. A talk by Junghwan Kang at the 2017 Open-Source Summitdemonstrated an interesting approach, even if it's not quite ready forprime time yet.