media: i2c/cx25840: fix repeated words in comments

Delete the redundant word 'of'.
Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/i2c/cx25840/cx25840-ir.c

@@ -196,7 +196,7 @@ static u32 clock_divider_to_resolution(u16 divider)
 {
 	/*
 	 * Resolution is the duration of 1 tick of the readable portion of
-	 * of the pulse width counter as read from the FIFO.  The two lsb's are
+	 * the pulse width counter as read from the FIFO.  The two lsb's are
 	 * not readable, hence the << 2.  This function returns ns.
 	 */
 	return DIV_ROUND_CLOSEST((1 << 2)  * ((u32) divider + 1) * 1000,