My progress on real RISC-V hardware

[X512]

@waddlesplash put -2 on critical haiku_loader.riscv support code so I decided to stop updating Haiku patches on Gerrit for now.

https://review.haiku-os.org/c/haiku/+/4059/3#message-15df9b3aaa5645d8618a0a8932b585d356b8400d