Fix Creality V4 probe pin

Marlin/src/pins/stm32f1/pins_CREALITY_V4.h

@@ -81,7 +81,7 @@
 #define Y_STOP_PIN                          PA6
 #define Z_STOP_PIN                          PA7
 
-#define Z_PROBE_PIN                         PB1   // BLTouch IN
+#define Z_MIN_PROBE_PIN                     PB1   // BLTouch IN
 
 //
 // Filament Runout Sensor