siemens: eeprom: clean up definitions

Move the I2C and EEPROM address definitions in common board header.

Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Signed-off-by: Enrico Leto <enrico.leto@siemens.com>
diff --git a/board/siemens/capricorn/board.c b/board/siemens/capricorn/board.c
index 924c88e..5f7e2b1 100644
--- a/board/siemens/capricorn/board.c
+++ b/board/siemens/capricorn/board.c
@@ -28,6 +28,7 @@
 #include <asm/arch-imx8/clock.h>
 #endif
 #include <linux/delay.h>
+#include "../common/eeprom.h"
 #include "../common/factoryset.h"
 
 #define GPIO_PAD_CTRL \
@@ -337,13 +338,11 @@
 }
 
 #ifndef CONFIG_SPL_BUILD
-int factoryset_read_eeprom(int i2c_addr);
-
 static int load_parameters_from_factoryset(void)
 {
 	int ret;
 
-	ret = factoryset_read_eeprom(EEPROM_I2C_ADDR);
+	ret = factoryset_read_eeprom(SIEMENS_EE_I2C_ADDR);
 	if (ret)
 		return ret;