platform/chrome: cros_ec_lpc: Mark PROBE_PREFER_ASYNCHRONOUS

This takes on the order of 60ms to probe on some systems, so let it
probe asynchronously. It shouldn't have any dependencies that aren't
handled cleanly.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20221101152132.v2.2.Ib1036816e77aba71ebc16b71f7615c55d054689c@changeid

drivers/platform/chrome/cros_ec_lpc.c

@@ -557,6 +557,7 @@ static struct platform_driver cros_ec_lpc_driver = {
 		.name = DRV_NAME,
 		.acpi_match_table = cros_ec_lpc_acpi_device_ids,
 		.pm = &cros_ec_lpc_pm_ops,
+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
 	},
 	.probe = cros_ec_lpc_probe,
 	.remove = cros_ec_lpc_remove,