initial commit WIP (Work In Progress)

applications/lofar2/libraries/ddrctrl/hdllib.cfg

...ons/lofar2/libraries/ddrctrl/src/vhdl/address_counter.vhd

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

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

...s/lofar2/libraries/ddrctrl/tb/vhdl/tb_address_counter.vhd