ASoC: Intel: sof_rt5682: add RPL support for MAX98357A speaker

Adding support back to RPL devices that lost audio after the RPL/ADL
split. The hardware configuration is:

SSP0: 10EC5682/RTL5682 codec
SSP2: MAX98357A amplifier

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Terry Cheong <htcheong@chromium.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20230731214257.444605-3-pierre-louis.bossart@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>