Better chopper defaults

Marlin/Configuration_adv.h

    * { <off_time[1..15]>, <hysteresis_end[-3..12]>, hysteresis_start[1..8] }
    */
   #define CHOPPER_TIMING CHOPPER_DEFAULT_12V        // All axes (override below)
-  //#define CHOPPER_TIMING_X  CHOPPER_DEFAULT_12V   // For X Axes (override below)
-  //#define CHOPPER_TIMING_X2 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_Y  CHOPPER_DEFAULT_12V   // For Y Axes (override below)
-  //#define CHOPPER_TIMING_Y2 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_Z  CHOPPER_DEFAULT_12V   // For Z Axes (override below)
-  //#define CHOPPER_TIMING_Z2 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_Z3 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_Z4 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_E  CHOPPER_DEFAULT_12V   // For Extruders (override below)
-  //#define CHOPPER_TIMING_E1 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_E2 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_E3 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_E4 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_E5 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_E6 CHOPPER_DEFAULT_12V
-  //#define CHOPPER_TIMING_E7 CHOPPER_DEFAULT_12V
+  //#define CHOPPER_TIMING_X  CHOPPER_TIMING        // For X Axes (override below)
+  //#define CHOPPER_TIMING_X2 CHOPPER_TIMING_X
+  //#define CHOPPER_TIMING_Y  CHOPPER_TIMING        // For Y Axes (override below)
+  //#define CHOPPER_TIMING_Y2 CHOPPER_TIMING_Y
+  //#define CHOPPER_TIMING_Z  CHOPPER_TIMING        // For Z Axes (override below)
+  //#define CHOPPER_TIMING_Z2 CHOPPER_TIMING_Z
+  //#define CHOPPER_TIMING_Z3 CHOPPER_TIMING_Z
+  //#define CHOPPER_TIMING_Z4 CHOPPER_TIMING_Z
+  //#define CHOPPER_TIMING_E  CHOPPER_TIMING        // For Extruders (override below)
+  //#define CHOPPER_TIMING_E1 CHOPPER_TIMING_E
+  //#define CHOPPER_TIMING_E2 CHOPPER_TIMING_E
+  //#define CHOPPER_TIMING_E3 CHOPPER_TIMING_E
+  //#define CHOPPER_TIMING_E4 CHOPPER_TIMING_E
+  //#define CHOPPER_TIMING_E5 CHOPPER_TIMING_E
+  //#define CHOPPER_TIMING_E6 CHOPPER_TIMING_E
+  //#define CHOPPER_TIMING_E7 CHOPPER_TIMING_E
 
   /**
    * Monitor Trinamic drivers