Create and use func_sdp_tbuf_print_state()

...station_tbuf_one/tb_lofar2_unb2c_sdp_station_tbuf_one.vhd

...far2/libraries/sdp/src/vhdl/node_sdp_transient_buffer.vhd

applications/lofar2/libraries/sdp/src/vhdl/sdp_tbuf_pkg.vhd

...cations/lofar2/libraries/sdp/src/vhdl/sdp_tbuf_reader.vhd

...ications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_tbuf_pkg.vhd