Net: Clean up LAN91C96 Support

A previous Commit converted the LAN91C96 Ethernet driver to using the
CONFIG_NET_MULTI API, but did not include full board support.  This patch
finishes the job.

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/board/logicpd/zoom1/zoom1.c b/board/logicpd/zoom1/zoom1.c
index f4d3754..a144f52 100644
--- a/board/logicpd/zoom1/zoom1.c
+++ b/board/logicpd/zoom1/zoom1.c
@@ -31,6 +31,7 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
+#include <netdev.h>
 #include <twl4030.h>
 #include <asm/io.h>
 #include <asm/arch/mux.h>
@@ -86,3 +87,14 @@
 	/* platform specific muxes */
 	MUX_ZOOM1_MDK();
 }
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_LAN91C96
+	rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE);
+#endif
+	return rc;
+}
+#endif