Supports machine driver with max98357b
("mt8183-mt6358-ts3a227-max98357b").

The key difference from max98357a: max98357b needs to use left
justified format.
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200720012559.906088-4-tzungbi@google.comSigned-off-by: Mark Brown <broonie@kernel.org>