Maxim MAX98360A audio amplifier is functionally identical to MAX98357A.
Adds compatible string "maxim,max98360a" for driver reuse.
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200605034931.107713-3-tzungbi@google.comSigned-off-by: Mark Brown <broonie@kernel.org>