Do the right thing in qec_fix_range() when connected to an sbus(4) without `ranges' property, i.e. sun4c, so that child devices can attach correctly. This makes be(4) work on sun4c.
Do the right thing in qec_fix_range() when connected to an sbus(4) without
`ranges' property, i.e. sun4c, so that child devices can attach correctly.
This makes be(4) work on sun4c.

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