Supports machine driver with rt1015 ("mt8183-mt6358-ts3a227-rt1015").
Embeds in existing mt8183-mt6358-ts3a227-max98357.c because they share
most of the code.
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200708113233.3994206-4-tzungbi@google.comSigned-off-by: Mark Brown <broonie@kernel.org>