arm: dts: mt7623: add mt7530 switch to mt7623a.dtsi

The MT7530 switch is included as a part of the multi-chip module on the
MT7623AI SoC. Add it to mt7623a.dtsi and adjust DTs that call mt7623a.dtsi.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20230210182505.24597-3-arinc.unal@arinc9.com


Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>