rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/post/cpu/ppc4xx/spr.c b/post/cpu/ppc4xx/spr.c
index 110df6e..ecb87b5 100644
--- a/post/cpu/ppc4xx/spr.c
+++ b/post/cpu/ppc4xx/spr.c
@@ -37,7 +37,7 @@
 
 #include <post.h>
 
-#if CONFIG_POST & CFG_POST_SPR
+#if CONFIG_POST & CONFIG_SYS_POST_SPR
 
 #include <asm/processor.h>
 
@@ -198,4 +198,4 @@
 	return ret;
 }
 
-#endif /* CONFIG_POST & CFG_POST_SPR */
+#endif /* CONFIG_POST & CONFIG_SYS_POST_SPR */