spi: fix comment/printk typos in spi

Correct spelling typo in drivers/spi

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index cd56dcf..1284c9b 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -505,7 +505,7 @@
 	}
 
 	if (unlikely(pspi->max_speed_hz == 0)) {
-		dev_err(&pspi->dev, "%s pch_spi_tranfer maxspeed=%d\n",
+		dev_err(&pspi->dev, "%s pch_spi_transfer maxspeed=%d\n",
 			__func__, pspi->max_speed_hz);
 		retval = -EINVAL;
 		goto err_out;