[bsp][rockchip] support RK3528

[GuEe-GUI]

拉取/合并请求描述：(PR description)

[

1. CLK for RK3528
2. Pinctrl for RK3528
3. hwrng for RK-RNG
4. OTP for RK3528
5. TSADC for RK3528

Test for ROCK-2F OK

]

当前拉取/合并请求的状态 Intent for your PR

必须选择一项 Choose one (Mandatory):

• 本拉取/合并请求是一个草稿版本 This PR is for a code-review and is intended to get feedback
• 本拉取/合并请求是一个成熟版本 This PR is mature, and ready to be integrated into the repo

代码质量 Code Quality：

我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:

• 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
• 代码风格正确，包括缩进空格，命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
• 没有垃圾代码，代码尽量精简，不包含#if 0代码，不包含已经被注释了的代码 All redundant code is removed and cleaned up
• 所有变更均有原因及合理的，并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
• 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
• 代码是高质量的 Code in this PR is of high quality
• 已经使用formatting 等源码格式化工具确保格式符合RT-Thread代码规范 This PR complies with RT-Thread code specification
• 如果是新增bsp, 已经添加ci检查到.github/ALL_BSP_COMPILE.json 详细请参考链接BSP自查

[github-actions]

👋 感谢您对 RT-Thread 的贡献！Thank you for your contribution to RT-Thread!

为确保代码符合 RT-Thread 的编码规范，请在你的仓库中执行以下步骤运行代码格式化工作流（如果格式化CI运行失败）。
To ensure your code complies with RT-Thread's coding style, please run the code formatting workflow by following the steps below (If the formatting of CI fails to run).

---

🛠 操作步骤 | Steps

1. 前往 Actions 页面 | Go to the Actions page
   点击进入工作流 → | Click to open workflow →

2. 点击 Run workflow | Click Run workflow

• 设置需排除的文件/目录（目录请以"/"结尾）
  Set files/directories to exclude (directories should end with "/")
• 将目标分支设置为 \ Set the target branch to：rockchip_rk3528
• 设置PR number为 \ Set the PR number to：11300

3. 等待工作流完成 | Wait for the workflow to complete
   格式化后的代码将自动推送至你的分支。
   The formatted code will be automatically pushed to your branch.

完成后，提交将自动更新至 rockchip_rk3528 分支，关联的 Pull Request 也会同步更新。
Once completed, commits will be pushed to the rockchip_rk3528 branch automatically, and the related Pull Request will be updated.

如有问题欢迎联系我们，再次感谢您的贡献！💐
If you have any questions, feel free to reach out. Thanks again for your contribution!

[Copilot]

Pull request overview

This PR adds Rockchip RK3528 enablement to the Rockchip BSP/DM stack, covering core SoC infrastructure (clock, pinctrl, thermal sensor/TSADC, OTP/NVMEM, SARADC, and hardware RNG), plus updates to the rk3500 BSP configuration/docs to include RK3528.

Changes:

• Add RK3528 CRU/GRF-CRU clock controller support (new driver + Kconfig/SConscript wiring + dt-bindings).
• Add RK3528 support entries to common Rockchip DM drivers (pinctrl, TSADC, OTP, SARADC, RNG).
• Update rk3500 BSP configs/docs to enable RK3528-related options and document earlycon for RK3528.

Reviewed changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
bsp/rockchip/rk3500/rtconfig.py	Adjusts toolchain CPU flags selection for RK35xx builds.
bsp/rockchip/rk3500/rtconfig.h	Enables additional kernel/device options and RK3528 clock selection macros.
bsp/rockchip/rk3500/.config	Updates default defconfig to enable RK3528-related options (PIC/GIC, clk, console ctl, etc.).
bsp/rockchip/rk3500/README.md	Adds RK3528 to supported SoC list and earlycon info.
bsp/rockchip/rk3500/README_ZH.md	Same as above (Chinese).
bsp/rockchip/dm/clk/clk-rk3528.c	New RK3528 clock controller implementation.
bsp/rockchip/dm/clk/Kconfig	Adds RT_CLK_ROCKCHIP_RK3528 Kconfig option.
bsp/rockchip/dm/clk/SConscript	Builds clk-rk3528.c when enabled.
bsp/rockchip/dm/include/dt-bindings/clock/rk3528-cru.h	New RK3528 clock ID bindings header.
bsp/rockchip/dm/pinctrl/pinctrl-rockchip.c	Adds RK3528 pinctrl ops and OFW compatible match.
bsp/rockchip/dm/include/pinctrl-rockchip.h	Adds RK3528/RK3576 to pinctrl SoC type enum.
bsp/rockchip/dm/thermal/thermal-rockchip_tsadc.c	Adds RK3528 TSADC init/table and OFW compatible match.
bsp/rockchip/dm/nvmem/nvmem-rockchip-otp.c	Adds RK3528 OTP compatible match/data.
bsp/rockchip/dm/hwcrypto/hw-rng-rockchip.c	Adds “rkrng” hardware RNG backend + OFW compatible match.
bsp/rockchip/dm/adc/adc-rockchip_saradc.c	Adds RK3528 SARADC channel table + OFW compatible match.

[GuEe-GUI]

@Rbb666 AI 相关修改已经处理完成

[Rbb666]

这块也帮忙更新下吧：
https://github.com/RT-Thread/rt-thread/blob/master/bsp/README.md