Moved instruction address word alignment to core boundary
Created by: Silabs-ArjanB
SEC clean
This is a follow up to https://github.com/openhwgroup/cv32e40x/pull/560 (it will help to make the RVFI OBI tracking less dependent of probing the alignment buffer signals). Needed to fix (unnecessarily strict) assertions as part of this.
Signed-off-by: Arjan Bink Arjan.Bink@silabs.com