media: cx18: Fix typo in comments

Remove the repeated word 'and' from comments
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/pci/cx18/cx18-av-core.c

@@ -180,7 +180,7 @@ static void cx18_av_initialize(struct v4l2_subdev *sd)
 	 */
 	cx18_av_and_or4(cx, CXADEC_CHIP_CTRL, 0xFFFBFFFF, 0x00120000);
 
-	/* Setup the Video and and Aux/Audio PLLs */
+	/* Setup the Video and Aux/Audio PLLs */
 	cx18_av_init(cx);
 
 	/* set video to auto-detect */