This replaces the simple_ram_behavioural and mw_soc_memory modules
with a common wishbone_bram_wrapper.vhdl that interfaces the
pipelined WB with a lower-level RAM module, along with an FPGA
and a sim variants of the latter.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Few tweaks based on a newcomers experience getting an Arty A7-100 up and running
Forgot to add DCO in initial PR, now corrected.
Signed-off-by: Hugh Blemings <hugh@blemings.org>
