watchdog: cros-ec: Add newlines to printks

Add newlines to printk messages so that the next record is more easily
readable.

Cc: Lukasz Majczak <[e-mail]>
Cc: Benson Leung <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>
Reviewed-by: Benson Leung <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>
Signed-off-by: Wim Van Sebroeck <[e-mail]>

drivers/watchdog/cros_ec_wdt.c

···
 	arg.req.command = EC_HANG_DETECT_CMD_RELOAD;
 	ret = cros_ec_wdt_send_cmd(cros_ec, &arg);
 	if (ret < 0)
-		dev_dbg(wdd->parent, "Failed to ping watchdog (%d)", ret);
+		dev_dbg(wdd->parent, "Failed to ping watchdog (%d)\n", ret);
 
 	return ret;
 }
···
 	arg.req.reboot_timeout_sec = wdd->timeout;
 	ret = cros_ec_wdt_send_cmd(cros_ec, &arg);
 	if (ret < 0)
-		dev_dbg(wdd->parent, "Failed to start watchdog (%d)", ret);
+		dev_dbg(wdd->parent, "Failed to start watchdog (%d)\n", ret);
 
 	return ret;
 }
···
 	arg.req.command = EC_HANG_DETECT_CMD_CANCEL;
 	ret = cros_ec_wdt_send_cmd(cros_ec, &arg);
 	if (ret < 0)
-		dev_dbg(wdd->parent, "Failed to stop watchdog (%d)", ret);
+		dev_dbg(wdd->parent, "Failed to stop watchdog (%d)\n", ret);
 
 	return ret;
 }
···
 	arg.req.command = EC_HANG_DETECT_CMD_GET_STATUS;
 	ret = cros_ec_wdt_send_cmd(cros_ec, &arg);
 	if (ret < 0)
-		return dev_err_probe(dev, ret, "Failed to get watchdog bootstatus");
+		return dev_err_probe(dev, ret, "Failed to get watchdog bootstatus\n");
 
 	wdd->parent = &pdev->dev;
 	wdd->info = &cros_ec_wdt_ident;
···
 	arg.req.command = EC_HANG_DETECT_CMD_CLEAR_STATUS;
 	ret = cros_ec_wdt_send_cmd(cros_ec, &arg);
 	if (ret < 0)
-		return dev_err_probe(dev, ret, "Failed to clear watchdog bootstatus");
+		return dev_err_probe(dev, ret, "Failed to clear watchdog bootstatus\n");
 
 	watchdog_stop_on_reboot(wdd);
 	watchdog_stop_on_unregister(wdd);