Merge branch 'master' of git.astron.nl:desp/hdl

...nb2c_ddrctrl/qsys_lofar2_unb2c_ddrctrl_avs_common_mm_0.ip

...nb2c_ddrctrl/qsys_lofar2_unb2c_ddrctrl_avs_common_mm_1.ip

...rctrl/qsys_lofar2_unb2c_ddrctrl_reg_ddrctrl_ctrl_state.ip

...ar2_unb2c_ddrctrl/qsys_lofar2_unb2c_ddrctrl_reg_io_ddr.ip

...far2_unb2c_ddrctrl/quartus/qsys_lofar2_unb2c_ddrctrl.qsys

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

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

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

...far2/libraries/ddrctrl/src/vhdl/ddrctrl_output_unpack.vhd

libraries/base/common/src/vhdl/common_fifo_dc.vhd

libraries/base/dp/src/vhdl/dp_fifo_core.vhd

libraries/io/ddr/src/vhdl/io_ddr.vhd

libraries/io/ddr/src/vhdl/io_ddr_driver_flush_ctrl.vhd