actorlib/fifo: fix no-op assignment due to .payload omission
Merge pull request #8 from jix/fix-acitorlib-fifo

actorlib/fifo: fix no-op assignment due to .payload omission
xilinx_vivado: use REM for comment on Windows
actorlib/fifo: add buffered parameter
flow: endpoint description structure with packetized parameter
fhdl/tools: do not attempt to rename sync clock domain if it does not exist
genlib/fsm: add NextValue to replace reg/reg_next/ce pattern
Wishbone DownConverter: Fix sel signal