Begin with the TSL 0.2.12 source archive. Apply the patch tsl-0.2.12-0.2.13.diff . Copy the official Linux kernel source tarball linux-5.4.76.tar.xz for Linux 5.4.76 to the system/linux directory. Run the script build.sh then the script package.sh. The update file is cd/tslcr02d.tsp .