rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 6e9c34f..a46205d 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -172,8 +172,8 @@
 #ifdef	CONFIG_SERVERIP
 	"serverip=" MK_STR (CONFIG_SERVERIP) "\0"
 #endif
-#ifdef	CFG_AUTOLOAD
-	"autoload=" CFG_AUTOLOAD "\0"
+#ifdef	CONFIG_SYS_AUTOLOAD
+	"autoload=" CONFIG_SYS_AUTOLOAD "\0"
 #endif
 #ifdef	CONFIG_ROOTPATH
 	"rootpath=" MK_STR (CONFIG_ROOTPATH) "\0"