For more information, read our blog post.
Simply add the checked-out Git repository to your Ghidra-Scripts search paths.
The script can be found in the leveldown security folder in Ghidra's Script Manager. More info here.
The cmsis-svd code is a fork from Posborne's cmsis-svd, ported to work on Ghidra's Jython. Without this library this script could not exist!
The code in cmsis_svd/ is licensed under the Apache License v2.0, the same as the 'upstream' cmsis-svd. The SVD-Loader itself is licensed under GPLv3.