Use common_pulser_us_ms_s instead of unb2_board_pulser.

boards/uniboard2/libraries/unb2_board/hdllib.cfg

...d2/libraries/unb2_board/src/vhdl/unb2_board_node_ctrl.vhd

...oard2/libraries/unb2_board/src/vhdl/unb2_board_pulser.vhd