[2.0.x] Fix compile error on delta when NO_WORKSPACE_OFFSETS (#9388)

Marlin/src/module/motion.cpp

   #endif
 } // homeaxis()
 
-#if HAS_WORKSPACE_OFFSET || ENABLED(DUAL_X_CARRIAGE)
+#if HAS_WORKSPACE_OFFSET || ENABLED(DUAL_X_CARRIAGE) || ENABLED(DELTA)
 
   /**
    * Software endstops can be used to monitor the open end of
     #endif
   }
 
-#endif // HAS_WORKSPACE_OFFSET || DUAL_X_CARRIAGE
+#endif // HAS_WORKSPACE_OFFSET || DUAL_X_CARRIAGE || DELTA
 
 #if HAS_M206_COMMAND
   /**

Marlin/src/module/motion.h

 
 #endif
 
-#if HAS_WORKSPACE_OFFSET || ENABLED(DUAL_X_CARRIAGE)
+#if HAS_WORKSPACE_OFFSET || ENABLED(DUAL_X_CARRIAGE) || ENABLED(DELTA)
   void update_software_endstops(const AxisEnum axis);
 #endif