Link bootloader at 1MB (same a the Solaris bootloader) instead of 8MB (which the firmware on the v1280 doesn't like).
Link bootloader at 1MB (same a the Solaris bootloader) instead of 8MB (which
the firmware on the v1280 doesn't like).

tested by many

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars