Update (config): Sync board_config.h for qemu-aarch64-virt and rpi4b-8gb platforms

• Regenerate board_config.h for QEMU AArch64 Virt platform with latest Kconfig settings
• Regenerate board_config.h for Raspberry Pi 4B platform with latest Kconfig settings
• Update architecture-specific configuration options across platforms
• Ensure consistency between .config and generated header files
• Maintain Kconfig-driven configuration propagation to build system

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更新 (配置): 同步qemu-aarch64-virt和rpi4b-8gb平台的board_config.h

• 为QEMU AArch64 Virt平台重新生成board_config.h，包含最新Kconfig设置
• 为树莓派4B平台重新生成board_config.h，包含最新Kconfig设置
• 跨平台更新架构特定的配置选项
• 确保.config与生成的头文件之间的一致性
• 保持Kconfig驱动的配置向构建系统的传播