How to build a kernel module on the Edison?
https://communities.intel.com/message/295048
Yocto Project Linux Kernel Development Manual
http://www.yoctoproject.org/docs/1.4/kernel-dev/kernel-dev.html#incorporating-out-of-tree-modules
INTEL® EDISON - ADDING KERNEL MODULES TO YOCTO* - EXAMPLE "BATMAN"
https://software.intel.com/en-us/blogs/2015/02/27/intel-edison-adding-kernel-modules-to-yocto-example-batman