Reorganize some core headers (#11983)

Marlin/src/HAL/HAL_DUE/DebugMonitor_Due.cpp

@@ -22,13 +22,13 @@
 
 #ifdef ARDUINO_ARCH_SAM
 
-#include "../../core/macros.h"
 #include "../../core/serial.h"
-#include <stdarg.h>
 
 #include "../shared/backtrace/unwinder.h"
 #include "../shared/backtrace/unwmemaccess.h"
 
+#include <stdarg.h>
+
 // Debug monitor that dumps to the Programming port all status when
 // an exception or WDT timeout happens - And then resets the board
 

Marlin/src/HAL/HAL_DUE/usb/compiler.h

@@ -105,7 +105,7 @@
  * \brief Marking \a v as a unused parameter or value.
  */
 #ifndef UNUSED
-#define UNUSED(x) (void) (x)
+  #define UNUSED(x) ((void)(x))
 #endif
 
 /**

Marlin/src/HAL/HAL_DUE/usb/conf_usb.h

@@ -47,12 +47,10 @@
 #ifndef _CONF_USB_H_
 #define _CONF_USB_H_
 
-#undef UNUSED                           /* To avoid a macro clash as macros.h already defines it */
-#include "../../../core/macros.h"       /* For ENABLED()/DISABLED() */
-#include "../../../../Configuration.h"  /* For CUSTOM_MACHINE_NAME definition - We just need the name, no C++ allowed! */
+#include "../../../core/macros.h"       /* For ENABLED, DISABLED, MIN, MAX */
+#include "../../../../Configuration.h"  /* For SDSUPPORT and CUSTOM_MACHINE_NAME definition - We just need the name, no C++ allowed! */
 #include "compiler.h"
 
-
 /**
  * USB Device Configuration
  * @{