Merge branch 'master' into L2SDP-566

...dp_station/src/vhdl/qsys_lofar2_unb2b_sdp_station_pkg.vhd

...dp_station/src/vhdl/qsys_lofar2_unb2c_sdp_station_pkg.vhd

applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd

libraries/io/ddr/hdllib.cfg

libraries/io/ddr/tb/vhdl/tb_io_ddr.vhd

libraries/io/ddr/tb/vhdl/tb_tb_io_ddr.vhd

libraries/technology/ddr/tech_ddr_pkg.vhd

...echnology/ip_arria10_e1sg/ddr4_8g_1600/copy_hex_files.tcl

...echnology/ip_arria10_e2sg/ddr4_8g_1600/copy_hex_files.tcl

...ies/technology/ip_stratixiv/ddr3_mem_model/compile_ip.tcl

libraries/technology/technology_pkg.vhd