riscv-stuff

• install-riscv-gnu-toolchain.sh - Clones the toolchain's source files and builds. The default arch=rv32i and the default abi=ilp32. It runs on Ubuntu.

• binary2readmemh.py - Converts a raw binary file into an ascii, Verilog $readmemh compatible file.

• 1-hello - Compile hello.c using riscv-gnu-toolchain