net: dsa: b53: spi: allow device tree probing

Add missing of_match_table to allow device tree probing.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/b53/b53_spi.c

@@ -324,9 +324,22 @@ static int b53_spi_remove(struct spi_device *spi)
 	return 0;
 }
 
+static const struct of_device_id b53_spi_of_match[] = {
+	{ .compatible = "brcm,bcm5325" },
+	{ .compatible = "brcm,bcm5365" },
+	{ .compatible = "brcm,bcm5395" },
+	{ .compatible = "brcm,bcm5397" },
+	{ .compatible = "brcm,bcm5398" },
+	{ .compatible = "brcm,bcm53115" },
+	{ .compatible = "brcm,bcm53125" },
+	{ .compatible = "brcm,bcm53128" },
+	{ /* sentinel */ }
+};
+
 static struct spi_driver b53_spi_driver = {
 	.driver = {
 		.name	= "b53-switch",
+		.of_match_table = b53_spi_of_match,
 	},
 	.probe	= b53_spi_probe,
 	.remove	= b53_spi_remove,