Ensure REPRAPWORLD_KEYPAD_MOVE_STEP is defined

Marlin/Conditionals_LCD.h

@@ -108,6 +108,9 @@
 
   #if ENABLED(REPRAPWORLD_KEYPAD)
     #define NEWPANEL
+    #if ENABLED(ULTIPANEL) && !defined(REPRAPWORLD_KEYPAD_MOVE_STEP)
+      #define REPRAPWORLD_KEYPAD_MOVE_STEP 1.0
+    #endif
   #endif
 
   #if ENABLED(RA_CONTROL_PANEL)