cggewehr/RISCV-crypto ? reverse-engineered prompt

Build me a working version of this Ibex based RISC V core project with hardware acceleration for cryptography functions.

I want to be able to set up a fresh build area, compile the software test programs, and run the full flow for the crypto enabled core. Make sure the normal workflow works for something like hello_test and the crypto tests such as tc_sha256_test and tc_sha512_test, and that the build can target the ibex crypto core when needed.

Please keep the setup simple and make the instructions or scripts clear enough that I can start from a clean checkout and get to a successful build and simulation without guessing. If anything depends on tool versions or current docs, look them up online if you need to.