Merge tag 'u-boot-rockchip-next-20240615' of...

Merge tag 'u-boot-rockchip-next-20240615' of https://source.denx.de/u-boot/custodians/u-boot-rockchip into next

CI: https://source.denx.de/u-boot/custodians/u-boot-rockchip/-/pipelines/21113

- New board: Theobroma Systems SOM-RK3588-Q7 Tiger, ArmSoM Sige7 Rk3588;
- PX30 dts migrate to OF_UPSTREAM;
- Some other update on board or config;