Update Double Fifo Register

designs/vivado/scalp_firmware/2020.2/lin64/.gitignore

...o/scalp_firmware/2020.2/lin64/.scripts/.prompt_colors.tcl

...irmware/2020.2/lin64/.scripts/clean_prj_scalp_firmware.sh

...rmware/2020.2/lin64/.scripts/create_prj_scalp_firmware.sh

...mware/2020.2/lin64/.scripts/create_prj_scalp_firmware.tcl

...irmware/2020.2/lin64/.scripts/export_hw_scalp_firmware.sh

...rmware/2020.2/lin64/.scripts/export_hw_scalp_firmware.tcl

...are/2020.2/lin64/.scripts/gen_bitstream_scalp_firmware.sh

...re/2020.2/lin64/.scripts/gen_bitstream_scalp_firmware.tcl

...ware/2020.2/lin64/.scripts/gen_sw_apps_scalp_firmware.tcl

...re/2020.2/lin64/.scripts/load_bitstream_scalp_firmware.sh

...e/2020.2/lin64/.scripts/load_bitstream_scalp_firmware.tcl

...firmware/2020.2/lin64/.scripts/open_prj_scalp_firmware.sh

...gns/vivado/scalp_firmware/2020.2/lin64/.scripts/utils.tcl

.../scalp_firmware/2020.2/lin64/.scripts/vivado_pid24324.str

designs/vivado/scalp_firmware/2020.2/lin64/setup.sh

designs/vivado/scalp_firmware/2020.2/src/constrs/debug.xdc

...vado/scalp_firmware/2020.2/src/constrs/scalp_firmware.xdc

.../scalp_firmware/2020.2/src/constrs/timing_constraints.xdc

...s/vivado/scalp_firmware/2020.2/src/hdl/scalp_firmware.vhd