eeprom_stm32: add stm32f4 series support

based on code by @yulei in https://github.com/qmk/qmk_firmware/pull/7803

tmk_core/common/chibios/flash_stm32.h

@@ -22,6 +22,26 @@
 extern "C" {
 #endif
 
+#if defined(EEPROM_EMU_STM32F303xC)
+#    define STM32F303xC
+#    include "stm32f3xx.h"
+#elif defined(EEPROM_EMU_STM32F103xB)
+#    define STM32F103xB
+#    include "stm32f1xx.h"
+#elif defined(EEPROM_EMU_STM32F072xB)
+#    define STM32F072xB
+#    include "stm32f0xx.h"
+#elif defined(EEPROM_EMU_STM32F042x6)
+#    define STM32F042x6
+#    include "stm32f0xx.h"
+#elif defined(EEPROM_EMU_STM32F411xC)
+#    define EEPROM_EMU_STM32F4
+#    define STM32F411xE
+#    include "stm32f4xx.h"
+#else
+#    error "not implemented."
+#endif
+
 #include <ch.h>
 #include <hal.h>