Clean up EEPROM interfaces (#17803)

Marlin/src/HAL/shared/eeprom_if_spi.cpp

@@ -27,11 +27,14 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if BOTH(USE_SHARED_EEPROM, SPI_EEPROM)
+#if ENABLED(SPI_EEPROM)
 
-#include "../HAL.h"
 #include "eeprom_if.h"
 
+void eeprom_init() {}
+
+#if ENABLED(USE_SHARED_EEPROM)
+
 #define CMD_WREN  6   // WREN
 #define CMD_READ  2   // WRITE
 #define CMD_WRITE 2   // WRITE
@@ -80,4 +83,5 @@ void eeprom_write_byte(uint8_t* pos, uint8_t value) {
   delay(EEPROM_WRITE_DELAY);   // wait for page write to complete
 }
 
-#endif // USE_SHARED_EEPROM && I2C_EEPROM
+#endif // USE_SHARED_EEPROM
+#endif // I2C_EEPROM