Regenerate ztypes for openbsd/arm - most of the changes relate to the OpenBSD armv7 port
switching to EABI in September 2016.

Change-Id: I6ae8fa81ea24a30fee9609f0dce1a3f43d5f4bae
Reviewed-on: https://go-review.googlesource.com/c/153617Reviewed-by: Matt Layher <mdlayher@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Matt Layher <mdlayher@gmail.com>