Prevent DUE / Spindle conflict

Fixes #17449

Marlin/Configuration_adv.h

@@ -2694,11 +2694,11 @@
 
   /**
    * Speed / Power can be set ('M3 S') and displayed in terms of:
-   *  - PWM     (S0 - S255)
+   *  - PWM255  (S0 - S255)
    *  - PERCENT (S0 - S100)
    *  - RPM     (S0 - S50000)  Best for use with a spindle
    */
-  #define CUTTER_POWER_DISPLAY PWM
+  #define CUTTER_POWER_DISPLAY PWM255
 
   /**
    * Relative mode uses relative range (SPEED_POWER_MIN to SPEED_POWER_MAX) instead of normal range (0 to SPEED_POWER_MAX)

Marlin/src/inc/Conditionals_adv.h

@@ -139,7 +139,7 @@
 //
 #if EITHER(SPINDLE_FEATURE, LASER_FEATURE)
   #define HAS_CUTTER 1
-  #define _CUTTER_DISP_PWM     1
+  #define _CUTTER_DISP_PWM255  1
   #define _CUTTER_DISP_PERCENT 2
   #define _CUTTER_DISP_RPM     3
   #define _CUTTER_DISP(V)      _CAT(_CUTTER_DISP_, V)

Marlin/src/inc/SanityCheck.h

@@ -2784,8 +2784,8 @@ static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
 #if HAS_CUTTER
   #ifndef CUTTER_POWER_DISPLAY
     #error "CUTTER_POWER_DISPLAY is required with a spindle or laser. Please update your Configuration_adv.h."
-  #elif !CUTTER_DISPLAY_IS(PWM) && !CUTTER_DISPLAY_IS(PERCENT) && !CUTTER_DISPLAY_IS(RPM)
-    #error "CUTTER_POWER_DISPLAY must be PWM, PERCENT, or RPM. Please update your Configuration_adv.h."
+  #elif !CUTTER_DISPLAY_IS(PWM255) && !CUTTER_DISPLAY_IS(PERCENT) && !CUTTER_DISPLAY_IS(RPM)
+    #error "CUTTER_POWER_DISPLAY must be PWM255, PERCENT, or RPM. Please update your Configuration_adv.h."
   #endif
 
   #if ENABLED(LASER_POWER_INLINE)