net: stmmac: dwmac-generic: use devm_stmmac_pltfr_probe()

Use the devres variant of stmmac_pltfr_probe() and finally drop the
remove() hook.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c

@@ -46,7 +46,7 @@ static int dwmac_generic_probe(struct platform_device *pdev)
 		plat_dat->unicast_filter_entries = 1;
 	}
 
-	return stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
+	return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
 }
 
 static const struct of_device_id dwmac_generic_match[] = {
@@ -67,7 +67,6 @@ MODULE_DEVICE_TABLE(of, dwmac_generic_match);
 
 static struct platform_driver dwmac_generic_driver = {
 	.probe  = dwmac_generic_probe,
-	.remove_new = stmmac_pltfr_remove_no_dt,
 	.driver = {
 		.name           = STMMAC_RESOURCE_NAME,
 		.pm		= &stmmac_pltfr_pm_ops,