rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/evb64260/flash.c b/board/evb64260/flash.c
index 1691e10..f2d5390 100644
--- a/board/evb64260/flash.c
+++ b/board/evb64260/flash.c
@@ -122,9 +122,9 @@
 #ifdef  CONFIG_ENV_IS_IN_FLASH
 	/* ENV protection ON by default */
 	flash_protect(FLAG_PROTECT_SET,
-	              CFG_ENV_ADDR,
-	              CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
-	              flash_get_info(CFG_ENV_ADDR));
+	              CONFIG_ENV_ADDR,
+	              CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
+	              flash_get_info(CONFIG_ENV_ADDR));
 #endif
 
 	flash_size = size_b0 + size_b1;