rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/post/lib_ppc/cpu.c b/post/lib_ppc/cpu.c
index 5c7f761..3793a60 100644
--- a/post/lib_ppc/cpu.c
+++ b/post/lib_ppc/cpu.c
@@ -36,7 +36,7 @@
 #include <post.h>
 #include <asm/mmu.h>
 
-#if CONFIG_POST & CFG_POST_CPU
+#if CONFIG_POST & CONFIG_SYS_POST_CPU
 
 extern int cpu_post_test_cmp (void);
 extern int cpu_post_test_cmpi (void);
@@ -144,4 +144,4 @@
 	return ret;
 }
 
-#endif /* CONFIG_POST & CFG_POST_CPU */
+#endif /* CONFIG_POST & CONFIG_SYS_POST_CPU */