-Set working default header fields;
-Added gen_ip_header_checksum.

Added func_dp_stream_arr_combine_data_info_ctrl(). Clarified data, info and ctrl fields in t_dp_sosi.

 in rev. 16486.

 0,1,256,257,512,513,768,769.

Remove word dp_block_gen from DUT title, because the tb does not contain dp_block_gen. To avoid unwanted find in all files when searching for dp-block_gen.

Changed gapsize and blocks_per_sync, changed u_dp_fifo_sc to keep channels and set tx_offload to use the right signals for usr_sync and usr_bsn

Added entity: dp_bsn_monitor and changed ctrl_unb1_board accordingly. Changed compaan to use blocksize and blocks_per_sync