Correct wr_fifo_usedw, it gets already assigned in dp_fifo_core. To avoid tristate insertion in synthesis due to double driver.

Rename eth_stream into eth_stream_udp. Create new eth_stream.vhd that contains complete ETH interface component with eth_stream_udp and tech_tse_with_setup.

End with WAIT to avoid Warning: (vcom-1090) Possible infinite loop: Process contains no WAIT statement.