Add HAS_PIN_27_BOARD for CREALITY_V4 (#20446)

Co-authored-by: ellensp <ellensp@hotmsil.com>

Marlin/src/pins/stm32f1/pins_CREALITY_V4.h

@@ -48,17 +48,21 @@
 #endif
 
 #if ENABLED(IIC_BL24CXX_EEPROM)
-  #define IIC_EEPROM_SDA                  PA11
-  #define IIC_EEPROM_SCL                  PA12
-  #define MARLIN_EEPROM_SIZE             0x800  // 2Kb (24C16)
+  #define IIC_EEPROM_SDA                    PA11
+  #define IIC_EEPROM_SCL                    PA12
+  #define MARLIN_EEPROM_SIZE               0x800  // 2Kb (24C16)
 #elif ENABLED(SDCARD_EEPROM_EMULATION)
-  #define MARLIN_EEPROM_SIZE             0x800  // 2Kb
+  #define MARLIN_EEPROM_SIZE               0x800  // 2Kb
 #endif
 
 //
 // Servos
 //
-#define SERVO0_PIN                          PB0   // BLTouch OUT
+#ifndef HAS_PIN_27_BOARD
+  #define SERVO0_PIN                        PB0   // BLTouch OUT
+#else 
+  #define SERVO0_PIN                        PC6
+#endif
 
 //
 // Limit Switches
@@ -156,7 +160,9 @@
   #define BTN_EN1                           PB10
   #define BTN_EN2                           PB14
 
-  #define BEEPER_PIN                        PC6
+  #ifndef HAS_PIN_27_BOARD
+    #define BEEPER_PIN                      PC6
+  #endif
 
 #elif ENABLED(VET6_12864_LCD)