usb: bdc: fix module autoloading

Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from of_device_id table.

Signed-off-by: Liao Chen <[e-mail]>
Acked-by: Florian Fainelli <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/gadget/udc/bdc/bdc_core.c

···
 	{ .compatible = "brcm,bdc" },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, bdc_of_match);
 
 static struct platform_driver bdc_driver = {
 	.driver		= {