p1010rdb: Don't compile board_eth_init() for DM_ETH

The board_eth_init() is only used by legacy ethernet driver framework,
so do not compile it when DM_ETH config has been selected.
Signed-off-by: NHou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: NVladimir Oltean <vladimir.oltean@nxp.com>
[Rebased]
Signed-off-by: NPriyanka Jain <priyanka.jain@nxp.com>

board/freescale/p1010rdb/p1010rdb.c

@@ -484,6 +484,7 @@ int checkboard(void)
 	return 0;
 }
 
+#ifndef CONFIG_DM_ETH
 int board_eth_init(struct bd_info *bis)
 {
 #ifdef CONFIG_TSEC_ENET
@@ -524,6 +525,7 @@ int board_eth_init(struct bd_info *bis)
 
 	return pci_eth_init(bis);
 }
+#endif
 
 #if defined(CONFIG_OF_BOARD_SETUP)
 void fdt_del_flexcan(void *blob)