Final HS60v2 changes. (#4790)

* initial commit, this now mostly works

- RGB controls work
- Dynamic keymap still broken due to eeprom
- Via works

* STM32 eeprom update

- Update EEPROM emulation library to handle 8bit data like AVR.
- This library also allows for multiple page pairs resulting in greater EEPROM size flexibility

* hs60 changes

* HS60 hhkb added

* Update keyboards/hs60/v2/config.h

Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy>

tmk_core/common/eeprom.h

@@ -20,5 +20,4 @@ void 	eeprom_update_dword (uint32_t *__p, uint32_t __value);
 void 	eeprom_update_block (const void *__src, void *__dst, uint32_t __n);
 #endif
 
-
 #endif /* TMK_CORE_COMMON_EEPROM_H_ */