usb: ehci-brcm: 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/host/ehci-brcm.c

···
 	{ .compatible = "brcm,bcm7445-ehci", },
 	{}
 };
+MODULE_DEVICE_TABLE(of, brcm_ehci_of_match);
 
 static struct platform_driver ehci_brcm_driver = {
 	.probe		= ehci_brcm_probe,