rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/post/lib_ppc/multi.c b/post/lib_ppc/multi.c
index 47135ab..e42a7c0 100644
--- a/post/lib_ppc/multi.c
+++ b/post/lib_ppc/multi.c
@@ -36,7 +36,7 @@
 #include <post.h>
 #include "cpu_asm.h"
 
-#if CONFIG_POST & CFG_POST_CPU
+#if CONFIG_POST & CONFIG_SYS_POST_CPU
 
 extern void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2);