🐛 Fix SKR Mini E3 V2 I2C-based EEPROM (#22919)

Followup to #20609

Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_V2_0.h

@@ -28,7 +28,10 @@
 // Onboard I2C EEPROM
 #if NO_EEPROM_SELECTED
   #define I2C_EEPROM
+  #define SOFT_I2C_EEPROM
   #define MARLIN_EEPROM_SIZE 0x1000                 // 4KB
+  #define I2C_SDA_PIN                      SDA
+  #define I2C_SCL_PIN                      SCL
   #undef NO_EEPROM_SELECTED
 #endif