Set homing feedrates individually

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

@@ -756,7 +756,9 @@
  * MOVEMENT SETTINGS
  */
 
-#define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
+// Homing speeds (mm/m)
+#define HOMING_FEEDRATE_XY (50*60)
+#define HOMING_FEEDRATE_Z  (4*60)
 
 // default settings