[lokisetup] AMD64 / x86_64

[Ryan C. Gordon]

> I'm porting some software to x86_64 and noticed that the architecture
> name in Setup is set to "amd64" at the moment. I'd like to replace it
> with "x86_64" which I think is more general. Any objections? That change
> would probably break any installers storing binaries in a directory
> named amd64. All that would be needed to do would be to rename the
> directory.

I think it was amd64 for historical reasons. The stock setup.sh checks
for both amd64 and x86_64.

--ryan.