[Integration 1/6] RISC-V/extended: Add extended extension hooks when parsing architecture string.

[Jim Wilson]

On Tue, Mar 30, 2021 at 2:37 AM Nelson Chu <nelson.chu@sifive.com> wrote:

> All known non-standard extensions will be defined in
> riscv_vendor_ext_strtab
> of bfd/elfxx-riscv-vendor.c.  Report warning messages when the non-standard
>

You don't have a elfxx-riscv-vendor.c file anymore, so this comment is a
little out of date, but this doesn't really matter.

Jim