dt-bindings: mediatek: mt8195: add mt8195-mt6359-rt1019-rt5682 document

This patch adds document for mt8195 board with mt6359, rt1019 and rt5682

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210819084144.18483-12-trevor.wu@mediatek.com


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