Si5394 can be configured from the software
- Si5394 is interfaced from software via I2C (I2C driver is behaving weird still; have to restart before every operation)
- Main FPGA clock comes from PCIe (Si5394 can be restarted)
- Make more consistency in naming key FPGA registers (magic number, release, variant)
- jfjoch_action_test - fix some input parameters