Merge branch 'master' into L2SDP-747

applications/lofar2/designs/lofar2_unb2c_ddrctrl/hdllib.cfg

...signs/lofar2_unb2c_ddrctrl/lofar2_unb2c_ddrctrl.fpga.yaml

...2_unb2c_ddrctrl/qsys_lofar2_unb2c_ddrctrl_nios2_gen2_0.ip

...far2_unb2c_ddrctrl/quartus/qsys_lofar2_unb2c_ddrctrl.qsys

...ns/lofar2_unb2c_ddrctrl/src/vhdl/lofar2_unb2c_ddrctrl.vhd

...ofar2_unb2c_ddrctrl/src/vhdl/mmm_lofar2_unb2c_ddrctrl.vhd

..._unb2c_ddrctrl/src/vhdl/qsys_lofar2_unb2c_ddrctrl_pkg.vhd

.../lofar2_unb2c_ddrctrl/tb/vhdl/tb_lofar2_unb2c_ddrctrl.vhd

...ications/lofar2/libraries/ddrctrl/ddrctrl.peripheral.yaml

applications/lofar2/libraries/ddrctrl/src/vhdl/ddrctrl.vhd

.../lofar2/libraries/ddrctrl/src/vhdl/ddrctrl_controller.vhd

applications/lofar2/libraries/ddrctrl/tb/vhdl/tb_ddrctrl.vhd