media: ti: drop unexpected word 'a' in comments

there is an unexpected word 'a' in the comments that need to be dropped

file - drivers/media/platform/ti/cal/cal-camerarx.c
line - 308

 * DRA80xM TRMs have a a slightly simplified sequence.

changed to:

 * DRA80xM TRMs have a slightly simplified sequence.
Signed-off-by: NJiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/ti/cal/cal-camerarx.c

@@ -305,7 +305,7 @@ static int cal_camerarx_start(struct cal_camerarx *phy)
 	/*
 	 * CSI-2 PHY Link Initialization Sequence, according to the DRA74xP /
 	 * DRA75xP / DRA76xP / DRA77xP TRM. The DRA71x / DRA72x and the AM65x /
-	 * DRA80xM TRMs have a a slightly simplified sequence.
+	 * DRA80xM TRMs have a slightly simplified sequence.
 	 */
 
 	/*