Spelling fixes: lenght->length

Signed-off-by: Paulius Zaleckas <pauliusz@yahoo.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>

drivers/net/irda/nsc-ircc.h

@@ -231,13 +231,13 @@ struct st_fifo {
 
 struct frame_cb {
 	void *start; /* Start of frame in DMA mem */
-	int len;     /* Lenght of frame in DMA mem */
+	int len;     /* Length of frame in DMA mem */
 };
 
 struct tx_fifo {
 	struct frame_cb queue[MAX_TX_WINDOW]; /* Info about frames in queue */
 	int             ptr;                  /* Currently being sent */
-	int             len;                  /* Lenght of queue */
+	int             len;                  /* Length of queue */
 	int             free;                 /* Next free slot */
 	void           *tail;                 /* Next free start in DMA mem */
 };