Ignore the following critical warning on DMAC instance:
Critical Warning (15003): "mixed_port_feed_through_mode" parameter of RAM atom
system_bd:i_system_bd|axi_dmac:axi_dmac_0|axi_dmac_transfer:i_transfer| \
dmac_request_arb:i_request_arb|dmac_dest_mm_axi:i_dest_dma_mm| \
altsyncram:bl_mem_rtl_0|altsyncram_0tp1:auto_generated|ram_block1a1
cannot have value "old" when different read and write clocks are used.