85xxCDS: Add make targets for legacy systems.

The PCI ID select values on the Arcadia main board differ depending
on the version of the hardware. The standard configuration supports
Rev 3.1. The legacy target supports Rev 2.x.

Signed-off-by Randy Vinson <rvinson@mvista.com>
diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h
index dfe4f5b..cda9fd5 100644
--- a/include/configs/MPC8548CDS.h
+++ b/include/configs/MPC8548CDS.h
@@ -395,6 +395,14 @@
 #define CFG_RIO_MEM_SIZE	0x20000000	/* 512M */
 #endif
 
+#ifdef CONFIG_LEGACY
+#define BRIDGE_ID 17
+#define VIA_ID 2
+#else
+#define BRIDGE_ID 28
+#define VIA_ID 4
+#endif
+
 #if defined(CONFIG_PCI)
 
 #define CONFIG_NET_MULTI