bsp/nuclei: Add new bsp entry doc in README.md

Signed-off-by: Huaqi Fang <578567190@qq.com>

bsp/nuclei/README.md

 # Nuclei RISC-V Processor Support Package
 
-This directory provided support for [Nuclei RISC-V Processor](https://nucleisys.com/) based board, currently
-we mainly provided the following support package.
+This directory provided support for [Nuclei RISC-V Processor](https://nucleisys.com/) based board,
+currently we mainly provided the following board support packages.
 
 | **BSP**                              | **Development Board Name**                                                                                                  |
 | :----------------------------------- | :-------------------------------------------------------------------------------------------------------------------------- |
 | [gd32vf103_rvstar](gd32vf103_rvstar) | [Nuclei RV-STAR Arduino Compatible Development Board](https://www.riscv-mcu.com/quickstart-quickstart-index-u-RV_STAR.html) |
+| [hbird_eval](hbird_eval)             | [Nuclei HummingBird FPGA Evaluation Development Board](https://nucleisys.com/developboard.php)                              |
 
 **If you want to learn more about Nuclei Processors, please click the following links:**
 
 * [Professional RISC-V IPs](https://nucleisys.com/product.php)
+* [Nuclei Open Source Software Organization in Github](https://github.com/Nuclei-Software/)
+* [Nuclei Open Source Software Organization in Gitee](https://gitee.com/Nuclei-Software/)
+* [RISC-V MCU Open Source Software Organization in Github](https://github.com/riscv-mcu/)
+* [RISC-V MCU Open Source Software Organization in Gitee](https://gitee.com/riscv-mcu/)
 * [Professional Nuclei Processor Development Boards](https://nucleisys.com/developboard.php)
 * [Comprehensive Documents and Development Tools](https://nucleisys.com/download.php)
 * [Active RISC-V IP and MCU Community](https://www.rvmcu.com/)
-* [Professional University Program](https://nucleisys.com/campus.php)
\ No newline at end of file
+* [Professional University Program](https://nucleisys.com/campus.php)