spi: orion: use devm_spi_register_master()

Use devm_spi_register_master() to make cleanup paths simpler.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NJason Cooper <jason@lakedaemon.net>
Signed-off-by: NMark Brown <broonie@linaro.org>

drivers/spi/spi-orion.c

@@ -457,7 +457,7 @@ static int orion_spi_probe(struct platform_device *pdev)
 		goto out_rel_clk;
 
 	master->dev.of_node = pdev->dev.of_node;
-	status = spi_register_master(master);
+	status = devm_spi_register_master(&pdev->dev, master);
 	if (status < 0)
 		goto out_rel_clk;
 
@@ -483,8 +483,6 @@ static int orion_spi_remove(struct platform_device *pdev)
 	clk_disable_unprepare(spi->clk);
 	clk_put(spi->clk);
 
-	spi_unregister_master(master);
-
 	return 0;
 }