Used cascaded channel FIFO (like done for Versal / URAM) so the prog_empty...
Used cascaded channel FIFO (like done for Versal / URAM) so the prog_empty threshold is calculated by xpm_fifo, not by HIFIFO
Closes FLX-2548
Used cascaded channel FIFO (like done for Versal / URAM) so the prog_empty threshold is calculated by xpm_fifo, not by HIFIFO
Closes FLX-2548