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/board/nc650/flash.c b/board/nc650/flash.c
index 8d7c172..a7fc084 100644
--- a/board/nc650/flash.c
+++ b/board/nc650/flash.c
@@ -41,7 +41,7 @@
 
 flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips    */
 
-#if defined(CFG_ENV_IS_IN_FLASH)
+#if defined(CONFIG_ENV_IS_IN_FLASH)
 # ifndef  CFG_ENV_ADDR
 #  define CFG_ENV_ADDR	(CFG_FLASH_BASE + CFG_ENV_OFFSET)
 # endif
@@ -171,7 +171,7 @@
 				&flash_info[0]);
 #endif
 
-#ifdef	CFG_ENV_IS_IN_FLASH
+#ifdef	CONFIG_ENV_IS_IN_FLASH
 	/* ENV protection ON by default */
 	flash_protect (FLAG_PROTECT_SET,
 			CFG_ENV_ADDR,