rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/post/lib_ppc/complex.c b/post/lib_ppc/complex.c
index 4983c51..4a3bc00 100644
--- a/post/lib_ppc/complex.c
+++ b/post/lib_ppc/complex.c
@@ -34,7 +34,7 @@
 #include <post.h>
 #include "cpu_asm.h"
 
-#if CONFIG_POST & CFG_POST_CPU
+#if CONFIG_POST & CONFIG_SYS_POST_CPU
 
 extern int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n);
 extern int cpu_post_complex_2_asm (int x, int n);