Enable CONFIG_NET_MULTI on all remaining PPC4xx boards

All in-tree PPC4xx boards now use CONFIG_NET_MULTI

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/configs/OCRTC.h b/include/configs/OCRTC.h
index 2591f1d..860ec52 100644
--- a/include/configs/OCRTC.h
+++ b/include/configs/OCRTC.h
@@ -54,6 +54,7 @@
 #define CONFIG_MII		1	/* MII PHY management		*/
 #define CONFIG_PHY_ADDR		0	/* PHY address			*/
 #define CONFIG_LXT971_NO_SLEEP  1       /* disable sleep mode in LXT971 */
+#define CONFIG_NET_MULTI
 
 
 /*