rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/HIDDEN_DRAGON.h b/include/configs/HIDDEN_DRAGON.h
index 5deb84d..5168be0 100644
--- a/include/configs/HIDDEN_DRAGON.h
+++ b/include/configs/HIDDEN_DRAGON.h
@@ -145,7 +145,7 @@
 
 #define CFG_FLASH_BASE		0xFFE00000
 #define CFG_FLASH_SIZE		(2 * 1024 * 1024)	/* Unity has onboard 1MByte flash */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_OFFSET		0x00004000	/* Offset of Environment Sector */
 #define CFG_ENV_SIZE		0x00002000	/* Total Size of Environment Sector */