Watchdog cleanup (#15283)

Marlin/src/HAL/HAL_DUE/watchdog.h

@@ -30,4 +30,4 @@ void watchdog_init();
 
 // Reset watchdog. MUST be called at least every 4 seconds after the
 // first watchdog_init or AVR will go into emergency procedures.
-inline void watchdog_reset() { watchdogReset(); }
+inline void HAL_watchdog_refresh() { watchdogReset(); }