Add two variants of component that can reverse serial data in a block.

libraries/base/common/hdllib.cfg

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

libraries/base/dp/hdllib.cfg

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

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

libraries/base/dp/tb/vhdl/tb_dp_reverse_n_data.vhd

libraries/base/dp/tb/vhdl/tb_dp_reverse_n_data_fc.vhd

libraries/base/dp/tb/vhdl/tb_tb_dp_reverse_n_data.vhd

libraries/base/dp/tb/vhdl/tb_tb_dp_reverse_n_data_fc.vhd