ASoC: mediatek: mt8192: support rt1015p_rt5682

Supports machines with rt1015p and rt5682.  Uses new proposed compatible
string "mt8192_mt6359_rt1015p_rt5682".

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20201201132614.1691352-7-tzungbi@google.com


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