微處理器 - Lattice iCE40LP1K-CM36 (iCESugar-nano) - Build nextpnr-ice40

參考資訊：
https://clifford.at/icestorm
https://github.com/YosysHQ/nextpnr

$ cd
$ git clone https://github.com/YosysHQ/nextpnr --recursive
$ mkdir -p nextpnr/build
$ cd nextpnr/build
$ cmake .. -DARCH=ice40
$ make -j4
$ sudo make install