fixed bug in dp_bsn_align_v2

Closes L2SDP-176

See merge request desp/hdl!223

added sync and bsn signals to dp_block_from_mm and fixed beamlet output

Closes L2SDP-678

See merge request desp/hdl!222

bsn_monitor

decreased design_note field from 52B to 48B to fit the 32 word system

Closes L2SDP-598

See merge request desp/hdl!221

Resolve L2SDP-660

Closes L2SDP-660

See merge request desp/hdl!215

info

Resolve L2SDP-175

Closes L2SDP-175

See merge request desp/hdl!220

Resolve L2SDP-492 + L2SDP-581

Closes L2SDP-492

See merge request desp/hdl!218

No functional change. Use short index variables names in capitals, to ease...

Closes L2SDP-601

See merge request desp/hdl!219

Added tb_tb_lofar2_unb2c_sdp_station_bf.vhd to verify the beamlet subband select, BF sum and dual pol beamlets.