STM32F7 HAL using the official STM32 Arduino Core (#11750)

Marlin/src/HAL/HAL_STM32/HAL.cpp

Marlin/src/HAL/HAL_STM32/HAL.h

Marlin/src/HAL/HAL_STM32/HAL_Servo_STM32.cpp

Marlin/src/HAL/HAL_STM32/HAL_Servo_STM32.h

Marlin/src/HAL/HAL_STM32/HAL_spi_STM32.cpp

Marlin/src/HAL/HAL_STM32/HAL_timers_STM32.cpp

Marlin/src/HAL/HAL_STM32/HAL_timers_STM32.h

Marlin/src/HAL/HAL_STM32/README.md

Marlin/src/HAL/HAL_STM32/SanityCheck.h

Marlin/src/HAL/HAL_STM32/endstop_interrupts.h

Marlin/src/HAL/HAL_STM32/fastio_STM32.h

Marlin/src/HAL/HAL_STM32/persistent_store_impl.cpp

Marlin/src/HAL/HAL_STM32/pinsDebug.h

Marlin/src/HAL/HAL_STM32/spi_pins.h

Marlin/src/HAL/HAL_STM32/watchdog_STM32.cpp

Marlin/src/HAL/HAL_STM32/watchdog_STM32.h

Marlin/src/HAL/platforms.h

Marlin/src/HAL/shared/backtrace/unwmemaccess.cpp

Marlin/src/HAL/shared/servo.cpp

Marlin/src/HAL/shared/servo.h