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/atc.h b/include/configs/atc.h
index 1e393a2..a7b154d 100644
--- a/include/configs/atc.h
+++ b/include/configs/atc.h
@@ -270,7 +270,7 @@
 
 #if 1
 /* environment is in Flash */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 # define CFG_ENV_ADDR		(CFG_FLASH_BASE+0x30000)
 # define CFG_ENV_SIZE		0x10000
 # define CFG_ENV_SECT_SIZE	0x10000