rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/post/lib_ppc/fpu/fpu.c b/post/lib_ppc/fpu/fpu.c
index 9ddb67a..846b76d 100644
--- a/post/lib_ppc/fpu/fpu.c
+++ b/post/lib_ppc/fpu/fpu.c
@@ -36,7 +36,7 @@
 
 #include <post.h>
 
-#if CONFIG_POST & CFG_POST_FPU
+#if CONFIG_POST & CONFIG_SYS_POST_FPU
 
 #include <watchdog.h>
 
@@ -86,4 +86,4 @@
 	return ret;
 }
 
-#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */