That's old. In 2015, he said that we need to make free hardware designs in case free software won't run on conventional hardware anymore.
<quote>Although we need not reject digital hardware made from
nonfree designs in today's circumstances, we need to develop
free designs and should use them when feasible. They provide
advantages today, and in the future they may be the only way to
use free software.</quote>
https://www.gnu.org/philosophy/free-hardware-designs.html
