Creating armv7 MACHINE_ARCH

[Ed Maste]

On 8 June 2017 at 16:27, Warner Losh <imp at bsdimp.com> wrote:
> While the kernel doesn't really need an armv7 support, there will be a
> better match to other systems if we create a armv7 MACHINE_ARCH.

Let me add one more point in this discussion: LLVM's lld linker
currently assumes an armv7 target. Introducing armv7 MACHINE_ARCH will
allow us to enable lld for armv7, leaving arm/armv6 to use binutils
(old version in the base system, or port/pkg).