fpga: rfnoc: fft: Support multiple samples per cycle

This adds the NIPC parameter, which configures support for processing
multiple items or samples per clock cycle. With this enabled, the FFT
block can process at rates higher than 250 MSPS, such as 500 MSPS and
beyond.


Original-commit: fc76aa940e121fe1f85a3513f6d90df4667338cf

lib/rfnoc/blocks/rfnoc_block_fft/Makefile.srcs

@@ -8,14 +8,16 @@ RFNOC_OOT_SRCS += $(abspath $(addprefix $(BASE_DIR)/../lib/rfnoc/blocks/rfnoc_bl
 fft_reorder_pkg.sv \
 fft_reorder.sv \
 fft_post_processing.sv \
-cp_removal.sv \
 axis_cp_list.sv \
+cp_removal.sv \
 noc_shell_fft.v \
 xfft_config_pkg.sv \
 fft_core_regs_pkg.sv \
 fft_packetize_pkg.sv \
 fft_packetize.sv \
 fft_depacketize.sv \
+fft_pipeline.sv \
+fft_pipeline_wrapper.sv \
 xfft_wrapper.sv \
 fft_core.sv \
 rfnoc_block_fft.sv \