20180221
* Enable PCIe RX equalization to improve PCIe link performance/stability
* Add support for PXE boot (legacy BIOS only, no UEFI support currently)
* Add support for reloading firmware after flashing without requiring host reboot
* Set PPS termination to disabled by default
* Fix bug where PPS timestamp could be read incorrectly
* Filter PPS input: Only latch PPS edges which are preceded by a period where PPS
  input is unasserted

20170601
* Fix issue causing abnormal outliers in RX timestamps

20170327
* Initial prod release