arm64: dts: mediatek: cherry: Enable I2C and SPI controllers

arm64: dts: mediatek: cherry: Enable I2C and SPI controllers

This platform uses eight I2C controllers and one SPI controller:
in preparation for enabling devices attached to these controllers,
add basic configuration to enable the busses.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220704101321.44835-8-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>