eeprom_stm32: implement high density wear leveling (#12567)

* eeprom_stm32: implement wear leveling
Update EECONFIG_MAGIC_NUMBER
eeprom_stm32: check emulated eeprom size is large enough
* eeprom_stm32: Increasing simulated EEPROM density on stm32
* Adding utility script to decode emulated eeprom
* Adding unit tests
* Applying qmk cformat changes
* cleaned up flash mocking
* Fix for stm32eeprom_parser.py checking via signature with wrong base
* Fix for nk65 keyboard

Co-authored-by: Ilya Zhuravlev <whatever@xyz.is>
Co-authored-by: zvecr <git@zvecr.com>

keyboards/nk65/config.h

@@ -148,6 +148,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  * both 128kb and 256kb versions of F303.
  * Register 0x1FFFF7CC holds the size of the flash memory.
  */
+#ifndef FLASHSIZE_BASE
+#  define FLASHSIZE_BASE ((uint32_t)0x1FFFF7CCU) /*!< FLASH Size register base address */
+#endif
 #define EEPROM_START_ADDRESS
 #define FEE_MCU_FLASH_SIZE                              \
 ({                                                      \