Fix struct arc_param_blk_* layout to not embed pointers, as this messes the layout in 64-bit mode. Found the hard way, of course.
Fix struct arc_param_blk_* layout to not embed pointers, as this messes the
layout in 64-bit mode. Found the hard way, of course.

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