Moved initialization of ULI526X Ethernet driver to board code.

The only board using this driver is the Freescale MPC8610HPCD board.
Removed initialization for the driver from net/eth.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

board/freescale/mpc8610hpcd/mpc8610hpcd.c

@@ -519,3 +519,13 @@ get_board_sys_clk(ulong dummy)
 
 	return val;
 }
+
+extern int uli526x_initialize(bd_t *);
+
+int board_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_ULI526)
+	uli526x_initialize(bis);
+#endif
+	return 0;
+}