Spelling fixes: lenght->length

Signed-off-by: Paulius Zaleckas <pauliusz@yahoo.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c
index 853a15f..cd565bb 100644
--- a/drivers/parport/probe.c
+++ b/drivers/parport/probe.c
@@ -163,7 +163,7 @@
 	idlens[1] = idlens[0]+2;
 	if (belen != lelen) {
 		int off = 2;
-		/* Don't try lenghts of 0x100 and 0x200 as 1 and 2 */
+		/* Don't try lengths of 0x100 and 0x200 as 1 and 2 */
 		if (idlens[0] <= 2)
 			off = 0;
 		idlens[off] = max(belen, lelen);