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/mecp5200.h b/include/configs/mecp5200.h
index 75040fe..1c2f1a2 100644
--- a/include/configs/mecp5200.h
+++ b/include/configs/mecp5200.h
@@ -196,7 +196,7 @@
 #define CFG_ENV_SECT_SIZE	0x10000
 #define CONFIG_ENV_OVERWRITE	1
 #else
-#define CFG_ENV_IS_IN_EEPROM	1	/* use EEPROM for environment vars */
+#define CONFIG_ENV_IS_IN_EEPROM	1	/* use EEPROM for environment vars */
 #define CFG_ENV_OFFSET		0x0000	/* environment starts at the beginning of the EEPROM */
 #define CFG_ENV_SIZE		0x0400	/* 8192 bytes may be used for env vars*/
 				   /* total size of a CAT24WC32 is 8192 bytes */