Merge remote-tracking branch 'origin/master' into part1_dev

part3/cmssw/src/L1Trigger/L1TMLDemo/plugins/BuildFile.xml

...src/L1Trigger/L1TMLDemo/plugins/l1tDemoMLPatternWriter.cc

...mssw/src/L1Trigger/L1TMLDemo/plugins/l1tDemoMLProducer.cc

part3/cmssw/src/L1Trigger/L1TMLDemo/test/demoL1TMLNtuple.py

part3/emulator_exercise.md

part3/firmware/payload/firmware/cfg/top_sim.dep

part3/firmware/payload/firmware/hdl/NNWrapper.vhd

part3/firmware/payload/firmware/hdl/ScalerWrapper.vhd

part3/firmware/payload/firmware/hdl/payload.vhd

part3/firmware/payload/firmware/hdl/tb_decl.vhd

part3/firmware/payload/firmware/hdl/tb_project_decl.vhd

part3/part3.ipynb

part3/setup_fw_workspace.sh

solutions/part3.ipynb