ASoC: The Iron Device SMA1303 is a boosted Class-D audio amplifier.

Signed-off-by: KiseokJo <kiseok.jo@irondevice.com>
Reported-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230126020156.3252-3-kiseok.jo@irondevice.com
Signed-off-by: Mark Brown <broonie@kernel.org>