Clean up whitespace

Marlin/src/HAL/AVR/HAL.cpp

Marlin/src/HAL/AVR/watchdog.cpp

Marlin/src/HAL/DUE/DebugMonitor.cpp

Marlin/src/HAL/DUE/watchdog.cpp

Marlin/src/HAL/ESP32/HAL.cpp

Marlin/src/HAL/ESP32/HAL_SPI.cpp

Marlin/src/HAL/ESP32/eeprom.cpp

Marlin/src/HAL/ESP32/spiffs.cpp

Marlin/src/HAL/ESP32/timers.cpp

Marlin/src/HAL/ESP32/watchdog.cpp

Marlin/src/HAL/ESP32/web.cpp

Marlin/src/HAL/ESP32/wifi.cpp

Marlin/src/HAL/LINUX/HAL.cpp

Marlin/src/HAL/LINUX/arduino.cpp

Marlin/src/HAL/LINUX/eeprom.cpp

Marlin/src/HAL/LINUX/hardware/Clock.cpp

Marlin/src/HAL/LINUX/hardware/Gpio.cpp

Marlin/src/HAL/LINUX/hardware/Heater.cpp

Marlin/src/HAL/LINUX/hardware/IOLoggerCSV.cpp

Marlin/src/HAL/LINUX/hardware/LinearAxis.cpp