Merge tag 'u-boot-rockchip-20240812' of https://source.denx.de/u-boot/custodians...

Please pull the updates for rockchip platform:
- Add board support:
        RK3566: Radxa ROCK 3 Model C
                Radxa ZERO 3W/3E
                Xunlong Orange Pi 3B
        RK3568J: Radxa ROCK 3B
        RK3308B: Radxa ROCK S0
        RK3588: Radxa ROCK 5 ITX
                FriendlyElec CM3588 NAS board
- dw-mmc: allow 4-bit mode;
- dts and config updates;

CI:
https://source.denx.de/u-boot/custodians/u-boot-rockchip/-/pipelines/21997