Spelling fixes: lenght->length

Signed-off-by: Paulius Zaleckas <pauliusz@yahoo.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/drivers/net/skfp/ess.c b/drivers/net/skfp/ess.c
index 62b0132..889f987 100644
--- a/drivers/net/skfp/ess.c
+++ b/drivers/net/skfp/ess.c
@@ -598,7 +598,7 @@
 	req->cmd.sba_cmd = REQUEST_ALLOCATION ;
 
 	/*
-	 * set the parameter type and parameter lenght of all used
+	 * set the parameter type and parameter length of all used
 	 * parameters
 	 */