New CPUTYPE default for i386 port

[Ed Maste]

On Mon, 7 Oct 2019 at 14:10, Julian Elischer <julian at freebsd.org> wrote:
>
> SO we'd be "demoting" [i586 and below] to the same situation as the ARM64 port
>
> where one has to build it yourself.

This is not the case, we produce arm64 install images and have for
quite some time - since FreeBSD 11.0, there's no need to build it
yourself. We don't yet have FreeBSD-update builds for arm64 but that
will be addressed one way or another.

If folks do want to ensure i586 continues to work (and i486 continues
to sort-of work) in FreeBSD 13 we need to make sure that there's CI
coverage for these. I'm happy to host physical devices in the hardware
CI lab for this purpose if we want to test on real hardware, but
perhaps QEMU is sufficient.