media: i2c: tc358743: Fix fallthrough warning

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------
Signed-off-by: NJacko Dirks <jdirks.linuxdev@gmail.com>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/media/i2c/tc358743.c

@@ -2005,6 +2005,7 @@ static int tc358743_probe_of(struct tc358743_state *state)
 	switch (bps_pr_lane) {
 	default:
 		dev_warn(dev, "untested bps per lane: %u bps\n", bps_pr_lane);
+		/* fall through */
 	case 594000000U:
 		state->pdata.lineinitcnt = 0xe80;
 		state->pdata.lptxtimecnt = 0x003;