nios2: Add missing Ethernet initialization to board_init().

Signed-off-by: Scott McNutt <smcnutt@psyent.com>

lib_nios2/board.c

@@ -139,6 +139,13 @@ void board_init (void)
 	board_late_init ();
 #endif
 
+#if defined(CONFIG_CMD_NET)
+#if defined(CONFIG_NET_MULTI)
+	puts ("Net:   ");
+#endif
+	eth_initialize (bd);
+#endif
+
 	/* main_loop */
 	for (;;) {
 		WATCHDOG_RESET ();