Switch QQT912_L012.uvprojx to ARMCLANG V6.9 so include paths compile correctly, and remove CW32F030-only GPIO_SPEED_HIGH usage from init, main, and motor sources.
Add working CW32F030 BLDC Hall PID reference firmware and port the application to CW32L012 with Keil MDK project QQT912_L012.
Co-authored-by: Cursor <cursoragent@cursor.com>