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>

drivers/issi/is31fl3733.c

@@ -24,10 +24,10 @@
 #include "wait.h"
 #endif
 
+#include "is31fl3733.h"
 #include <string.h>
 #include "i2c_master.h"
 #include "progmem.h"
-#include "rgb_matrix.h"
 
 // This is a 7-bit address, that gets left-shifted and bit 0
 // set to 0 for write, 1 for read (as per I2C protocol)