rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/common/cmd_misc.c b/common/cmd_misc.c
index 126b538..3ea8ee0 100644
--- a/common/cmd_misc.c
+++ b/common/cmd_misc.c
@@ -37,7 +37,7 @@
 		return 1;
 	}
 
-	delay = simple_strtoul(argv[1], NULL, 10) * CFG_HZ;
+	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
 
 	while (get_timer(start) < delay) {
 		if (ctrlc ()) {