[PATCH] Update config.guess and config.sub

[Jim Wilson]

On Thu, Jul 5, 2018 at 12:22 PM, Liviu Ionescu <ilg@livius.net> wrote:
>> On 5 Jul 2018, at 22:17, Jim Wilson <jimw@sifive.com> wrote:
>> ... I can fix the gcc config.sub to make it work.
> Or you can edit `gcc/config.gcc` and trigger an error for `riscv-linux*`.

I added patches to binutils and gcc to make riscv-elf work.
riscv-rtems probably also works as a result of this.  I'm not worrying
about riscv-linux for now.  There may be more stuff that needs to be
fixed to make riscv-* work though.  I only checked binutils and gcc.

Jim