Updated the scalp_firmware project with packet control through an AXI Lite interface.

ips/vivado/scalp_axis_fifo_wrapper/2020.2/lin64/.gitignore

...xis_fifo_wrapper/2020.2/lin64/.scripts/.prompt_colors.tcl

...020.2/lin64/.scripts/clean_prj_scalp_axis_fifo_wrapper.sh

...20.2/lin64/.scripts/create_prj_scalp_axis_fifo_wrapper.sh

...0.2/lin64/.scripts/create_prj_scalp_axis_fifo_wrapper.tcl

...2020.2/lin64/.scripts/open_prj_scalp_axis_fifo_wrapper.sh

...o/scalp_axis_fifo_wrapper/2020.2/lin64/.scripts/utils.tcl

ips/vivado/scalp_axis_fifo_wrapper/2020.2/lin64/setup.sh

...rapper/2020.2/src/ipi_tcl/scalp_axis_fifo_wrapper_ipi.tcl

ips/vivado/scalp_router_regbank/2020.2/lin64/.gitignore

...p_router_regbank/2020.2/lin64/.scripts/.prompt_colors.tcl

...k/2020.2/lin64/.scripts/clean_prj_scalp_router_regbank.sh

.../2020.2/lin64/.scripts/create_prj_scalp_router_regbank.sh

...2020.2/lin64/.scripts/create_prj_scalp_router_regbank.tcl

...nk/2020.2/lin64/.scripts/open_prj_scalp_router_regbank.sh

...vado/scalp_router_regbank/2020.2/lin64/.scripts/utils.tcl

ips/vivado/scalp_router_regbank/2020.2/lin64/setup.sh

...r_regbank/2020.2/src/ipi_tcl/scalp_router_regbank_ipi.tcl

packages/hw/axi4_pkg/src/hdl/axi4_pkg.vhd

soc/hw/scalp_zynqps/src/hdl/scalp_zynqps_wrapper.vhd