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/sc520_spunk.h b/include/configs/sc520_spunk.h
index aa9dc97..a8f520c 100644
--- a/include/configs/sc520_spunk.h
+++ b/include/configs/sc520_spunk.h
@@ -153,7 +153,7 @@
 
 #if 0
 /* Environment in flash */
-#define CFG_ENV_IS_IN_FLASH     1
+#define CONFIG_ENV_IS_IN_FLASH     1
 # define CFG_ENV_ADDR		(0x387a0000)	/* Addr of Environment Sector	*/
 # define CFG_ENV_SIZE		0x20000	/* Total Size of Environment Sector (or 0x10000) */
 # define CFG_ENV_OFFSET         0