arm64: dts: mediatek: mt8390-genio-700-evk: add keys and USB HUB

1. Add i2c, mmc to aliases.
4. Add PMIC_KEY setting.
5. Add USB HUB TUSB8020 to xhci1.
6. Re-order spi2 node.

Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://lore.kernel.org/r/20241007090244.1731-2-macpaul.lin@mediatek.com


Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>