Merge branch 'master' into L2SDP-832

...station_bf/tb_lofar2_unb2b_sdp_station_bf_bst_offload.vhd

...ion_fsub/tb_lofar2_unb2b_sdp_station_fsub_sst_offload.vhd

...station_bf/tb_lofar2_unb2c_sdp_station_bf_bst_offload.vhd

...ion_fsub/tb_lofar2_unb2c_sdp_station_fsub_sst_offload.vhd

...ons/lofar2/doc/prestudy/station2_sdp_transient_buffer.txt

doc/sdp_useful_commands_erko.txt

libraries/base/dp/src/vhdl/dp_bsn_monitor_v2.vhd

libraries/base/dp/tb/vhdl/tb_mmp_dp_bsn_align_v2.vhd