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/ZUMA.h b/include/configs/ZUMA.h
index 5ba8d1a..1b71388 100644
--- a/include/configs/ZUMA.h
+++ b/include/configs/ZUMA.h
@@ -349,7 +349,7 @@
 #define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms) */
 #define CFG_FLASH_CFI		1
 
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_SIZE		0x1000	/* Total Size of Environment Sector */
 #define CFG_ENV_SECT_SIZE	0x10000 /* see README - env sect real size */
 #define CFG_ENV_ADDR		(0xfff80000 - CFG_ENV_SECT_SIZE)