[media] adv7842: increase wait time

Wait 5ms after main reset. The data-sheet doesn't specify the wait
after i2c-controlled reset, so using same value as after pin-controlled
reset.
Signed-off-by: NMartin Bugge <marbugge@cisco.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/i2c/adv7842.c

@@ -533,7 +533,7 @@ static void main_reset(struct v4l2_subdev *sd)
 
 	adv_smbus_write_byte_no_check(client, 0xff, 0x80);
 
-	mdelay(2);
+	mdelay(5);
 }
 
 /* ----------------------------------------------------------------------- */