Add missing bus_space_read_raw_region_X bus_space_write_raw_region_X APIs.
Add missing bus_space_read_raw_region_X bus_space_write_raw_region_X APIs.

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