Best method for fixing chips in laminate flooring
The boards near the wall should be replaced before you install trim, if possible. No repair will completely hide the damage.
Most manufacturers provide a means of replacing interior boards. Consider that for a professional result.
Otherwise, the boards in the field could be touched up with some enamel paint. You'll have to experiment with a base color and accent/grain colors. A matte varnish (urethane) might help match sheen, which is a big part of the challenge.