rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index c62ca97..99e551f 100644
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -321,7 +321,7 @@
 
 	switch (argc) {
 	case 1:
-		addr = CFG_LOAD_ADDR;
+		addr = CONFIG_SYS_LOAD_ADDR;
 		boot_device = getenv ("bootdevice");
 		break;
 	case 2: