rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/ppc405.h b/include/ppc405.h
index f19b67f..917afec 100644
--- a/include/ppc405.h
+++ b/include/ppc405.h
@@ -27,9 +27,9 @@
 #define PPC_128MB_SACR_VALUE(addr)	PPC_REG_VAL(PPC_128MB_SACR_BIT(addr),1)
 
 #ifndef CONFIG_IOP480
-#define CFG_DCACHE_SIZE		(16 << 10)	/* For AMCC 405 CPUs	*/
+#define CONFIG_SYS_DCACHE_SIZE		(16 << 10)	/* For AMCC 405 CPUs	*/
 #else
-#define CFG_DCACHE_SIZE		(2 << 10)	/* For PLX IOP480 (403)	*/
+#define CONFIG_SYS_DCACHE_SIZE		(2 << 10)	/* For PLX IOP480 (403)	*/
 #endif
 
 /*--------------------------------------------------------------------- */