arm64: dts: rockchip: Add rk3588s I2S nodes

There are five I2S/PCM/TDM controllers and two I2S/PCM controllers
embedded in the RK3588 and RK3588S SoCs.

Add the DT nodes corresponding to the above mentioned Rockchip
controllers.

Also note RK3588 SoC contains four additional I2S/PCM/TDM controllers,
which are handled via a separate patch.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230402095054.384739-4-cristian.ciocaltea@collabora.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>