Fixed a bug in RIFFA 2.2 for the Classic Xilinx 128-bit interface.
Fixed a bug in RIFFA 2.2 for the Classic Xilinx 128-bit interface.

Bug caused received 128-bit Request Headers without payload to signal data word valid one cycle early. May not be a final fix. Unlikely to affect current users.

drichmond/riffa,drichmond/riffa,drichmond/riffa,drichmond/riffa,drichmond/riffa,drichmond/riffa