arm: dts: mt2701: Sort DT nodes by register address

This patch rearrange MT2701 DT nodes to keep them in ascending order.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
[mb: fix pio unit address and order]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>