EEPROM Flash Leveling enabled for more STM32F4 (#17948)

Marlin/src/pins/stm32f4/pins_BTT_BTT002_V1_0.h

   #define FLASH_EEPROM_EMULATION                  // Use Flash-based EEPROM emulation
 #endif
 
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  // Decrease delays and flash wear by spreading writes across the
+  // 128 kB sector allocated for EEPROM emulation.
+  #define FLASH_EEPROM_LEVELING
+#endif
+
 // Ignore temp readings during development.
 //#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 

Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h

   //#define FLASH_EEPROM_EMULATION                // Use Flash-based EEPROM emulation
 #endif
 
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  // Decrease delays and flash wear by spreading writes across the
+  // 128 kB sector allocated for EEPROM emulation.
+  #define FLASH_EEPROM_LEVELING
+#endif
+
 #define TP                                        // Enable to define servo and probe pins
 
 //

Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_V1_1.h

   #define FLASH_EEPROM_EMULATION                  // Use Flash-based EEPROM emulation
 #endif
 
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  // Decrease delays and flash wear by spreading writes across the
+  // 128 kB sector allocated for EEPROM emulation.
+  #define FLASH_EEPROM_LEVELING
+#endif
+
 //
 // Servos
 //

Marlin/src/pins/stm32f4/pins_FYSETC_S6.h

 #endif
 
 #if ENABLED(FLASH_EEPROM_EMULATION)
+  // Decrease delays and flash wear by spreading writes across the
+  // 128 kB sector allocated for EEPROM emulation.
   #define FLASH_EEPROM_LEVELING
 #elif ENABLED(I2C_EEPROM)
   #undef E2END                                    // Defined in Arduino Core STM32 to be used with EEPROM emulation. This board uses a real EEPROM.