usb host: fix platform driver hotplug/coldplug

Since 43cc71eed1250755986da4c0f9898f9a635cb3bf, the platform modalias is
prefixed with "platform:".  Add MODULE_ALIAS() to the hotpluggable USB HCDs,
to allow re-enable auto loading.

[dbrownell@users.sourceforge.net: more drivers; registration fixes]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 126fcbd..d72dc07 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -355,7 +355,7 @@
 #define ohci_hcd_at91_drv_resume  NULL
 #endif
 
-MODULE_ALIAS("at91_ohci");
+MODULE_ALIAS("platform:at91_ohci");
 
 static struct platform_driver ohci_hcd_at91_driver = {
 	.probe		= ohci_hcd_at91_drv_probe,
@@ -368,4 +368,3 @@
 		.owner	= THIS_MODULE,
 	},
 };
-