Rename `riscv-pac` to `riscv-types`#352

KushalMeghani1644 wants to merge 3 commits intorust-embedded:masterrust-embedded/riscv:masterfrom

KushalMeghani1644:rename_riscv-pac_to_typesKushalMeghani1644/riscv:rename_riscv-pac_to_typesCopy head branch name to clipboard