Working with Wind River LTS19.

Links:

• https://github.com/WindRiver-Labs/wrlinux-x
• https://docs.windriver.com/category/os_linux_cd
• https://docs.windriver.com/category/os_linux_lts_19

$ mkdir -p lts19/WR; cd lts19/WR
$ git clone https://github.com/WindRiver-Labs/wrlinux-x

$ ./wrlinux-x/setup.sh --machines qemuarm64