simultaneous read/write issue;
-Added signed/unsigned histogram readout to TB;
-All test benches pass OK.

Also added:
- Parameterizable (partly automatic based on generics) sine wave generation;
- Option to lock sine wave to sync (sparse histogram) or not (dense histogram).

Still to do:
- Fix address readout bug in TB (causes shift in histogram in wave window)
- Add top level functional description
- Clean code

Also added:

    signed/unsigned histogram readout to st_histogram;
    Extra check in TB to check if verification was done at all;
    Added behavioural sine wave generation in TB;
    Added TB signals to display as Analog; allows viewing of input sine and resulting histogram.

-Renamed MOSI/MISO in (tb_)mms_st_histogram;
-Renamed (tb)_mms_* to (tb)_mmp_*;
-Recompiled and reverified in simulation: all OK.

All code compiles and passes the test benches in simulation.

Committed  changes to branch L2SDP-136:

st_histogram_reg.vhd:
- deleted as it is no longer required

st_histogram.vhd:
- Removed ram_clearing status output

mms_st_histogram.vhd:
-removed reg_mosi/reg_miso
-replaced single common_ram_cr_cw with  g_nof_instances common_ram_cr_cw
-added common_mem_mux
-replaced per-instance readout control logic with readout control for all g_nof_instances in parallel (triggered by snk_in.sync)

tb_mms_st_histogram.vhd:
-Stripped out the per-instance readout control code

All code compiles and passes the test benches in simulation.

Committed  changes to branch L2SDP-136:

st_histogram_reg.vhd:
- deleted as it is no longer required

st_histogram.vhd:
- Removed ram_clearing status output

mms_st_histogram.vhd:
-removed reg_mosi/reg_miso
-replaced single common_ram_cr_cw with  g_nof_instances common_ram_cr_cw
-added common_mem_mux
-replaced per-instance readout control logic with readout control for all g_nof_instances in parallel (triggered by snk_in.sync)

tb_mms_st_histogram.vhd:
-Stripped out the per-instance readout control code

L2SDP-392, changed name in yaml.

Closes L2SDP-392

See merge request desp/hdl!133

Renamed proc_dp_verify_sync_v2() into overloaded proc_dp_verify_sync() and...

Closes L2SDP-424

See merge request desp/hdl!132

For dp_bsn_sync_scheduler: Added block_size RO field. Improved field_description. Use MM_BUS_SIZE to define address_offset.

L2SDP-429, new gold files for lofar2_unb2b_sdp_station.fpga.yaml

Closes L2SDP-429

See merge request desp/hdl!131

Added MM peripheral (mmp_) interface to dp_bsn_sync_scheduler.vhd + a tb_mmp_dp_bsn_sync_scheduler.vhd to verify the MM inetrface connections.

Report that g_nof_blocks >= 2. Disable output in case of re-enable, to ensure re-start with nof_blk_max sync in first out_sync interval.