/usr/share/doc/linux-firmware/licenses/ Current File: //usr/share/doc/linux-firmware/licenses/LICENCE.zd1201

The firmware was originally distributed by Zydas in their original driver package.

(You can still find it at http://linux-lc100020.sourceforge.net/ )
This package was distributed under both the GPL and MPL.
The firmware was in it in the form of a large array in a header file.