TI OMAP3: SDP3430 FIX NET_MULTI Warning

Enable the NET MULTI option and remove build warning

Tested: SDP3430

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/include/configs/omap3_sdp3430.h b/include/configs/omap3_sdp3430.h
index d91c8ff..fa2ad53 100644
--- a/include/configs/omap3_sdp3430.h
+++ b/include/configs/omap3_sdp3430.h
@@ -203,7 +203,8 @@
  */
 #if defined(CONFIG_CMD_NET)
 
-#define CONFIG_DRIVER_LAN91C96
+#define CONFIG_NET_MULTI
+#define CONFIG_LAN91C96
 #define CONFIG_LAN91C96_BASE	DEBUG_BASE
 #define CONFIG_LAN91C96_EXT_PHY