FSL: Fix common EEPROM_data structure definition

- Fix EEPROM_data structure definition according to System EEPROM Data Format.
- Read MAC addresses from EEPROM to ethXaddr before saving ethXaddr to
  bd->bi_ethaddr.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>

lib_ppc/board.c

@@ -835,6 +835,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
 #if defined(CONFIG_SC3)
 	sc3_read_eeprom();
 #endif
+
+#ifdef CFG_ID_EEPROM
+	mac_read_from_eeprom();
+#endif
+
 	s = getenv ("ethaddr");
 #if defined (CONFIG_MBX) || \
     defined (CONFIG_RPXCLASSIC) || \
@@ -902,10 +907,6 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	}
 #endif
 
-#ifdef CFG_ID_EEPROM
-	mac_read_from_eeprom();
-#endif
-
 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
     defined(CONFIG_TQM8272) || \
     defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \