inital commit of dp_block_validate_bsn_at_sync and the TBs

libraries/base/dp/hdllib.cfg

libraries/base/dp/src/vhdl/dp_block_validate_bsn_at_sync.vhd

...ries/base/dp/tb/vhdl/tb_dp_block_validate_bsn_at_sync.vhd

...s/base/dp/tb/vhdl/tb_tb_dp_block_validate_bsn_at_sync.vhd