RADDS: Update Full Graphic Display Pins (#11731)

Marlin/src/pins/pins_RADDS.h

 
   #elif ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
 
-    #define LCD_PINS_RS     46
-    #define LCD_PINS_ENABLE 47
+    #define LCD_PINS_RS     42
+    #define LCD_PINS_ENABLE 43
     #define LCD_PINS_D4     44
 
     #define BEEPER_PIN      41