LPC

* <https://gitlab.raptorengineering.com/raptor-engineering-public/lpc-spi-bridge-fpga>
* <https://www.raptorengineering.com/TALOS/documentation/flexver_intro.pdf>
* <https://www.crowdsupply.com/raptor-computing-systems/talos-secure-workstation/updates/talos-fpga-functions-and-responsibilities-part-2>