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/westel/amx860/flash.c b/board/westel/amx860/flash.c
index 12a1335..4d468d3 100644
--- a/board/westel/amx860/flash.c
+++ b/board/westel/amx860/flash.c
@@ -26,7 +26,7 @@
 
 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
@@ -134,7 +134,7 @@
 		      &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,
@@ -166,7 +166,7 @@
 			      &flash_info[1]);
 # 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,