spi: sirf: fix spelling mistake: "registerred" -> "registered"

Trivial fix to spelling mistake in dev_info message
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/spi-sirf.c

@@ -1158,7 +1158,7 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
 	ret = spi_bitbang_start(&sspi->bitbang);
 	if (ret)
 		goto free_clk;
-	dev_info(&pdev->dev, "registerred, bus number = %d\n", master->bus_num);
+	dev_info(&pdev->dev, "registered, bus number = %d\n", master->bus_num);
 
 	return 0;
 free_clk: