arm64: dts: renesas: rzg2l-smarc: Move ssi0 and cpu sound_dai nodes from common dtsi

On RZ/G2{L,LC} SoM module, the wm8978 audio codec is connected to ssi0,
whereas on RZ/G2UL it is connected to ssi1. So move ssi0 and cpu
sound_dai nodes from common dtsi to board specific dtsi.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220429072400.23729-2-biju.das.jz@bp.renesas.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>