Include 81voltd.service to start 81voltd at boot similar to the existing initd. Resolves: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/issues/3698 Signed-off-by: Alistair Francis <alistair@alistair23.me> Part-of: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/6494 [ci:skip-build]: already built successfully in CI