rename CFG_ENV_IS_IN_EEPROM in CONFIG_ENV_IS_IN_EEPROM

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/PM826.h b/include/configs/PM826.h
index 190e2a4..de1ecde 100644
--- a/include/configs/PM826.h
+++ b/include/configs/PM826.h
@@ -263,7 +263,7 @@
 #define CFG_ENV_SECT_SIZE	0x40000
 #else
 /* Final version: environment in EEPROM */
-#define CFG_ENV_IS_IN_EEPROM	1
+#define CONFIG_ENV_IS_IN_EEPROM	1
 #define CFG_I2C_EEPROM_ADDR	0x58
 #define CFG_I2C_EEPROM_ADDR_LEN	1
 #define CFG_EEPROM_PAGE_WRITE_BITS	4