spelling fixes: arch/sh/

Spelling fixes in arch/sh/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/landisk/gio.c b/arch/sh/boards/landisk/gio.c
index 50d38be..a37643d 100644
--- a/arch/sh/boards/landisk/gio.c
+++ b/arch/sh/boards/landisk/gio.c
@@ -69,7 +69,7 @@
 	}
 
 	switch (cmd) {
-	case GIODRV_IOCSGIOSETADDR:	/* addres set */
+	case GIODRV_IOCSGIOSETADDR:	/* address set */
 		addr = data;
 		break;