usb: remove use of __devinit

usb: remove use of __devinit

CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.

Signed-off-by: Bill Pemberton <[email protected]>
Cc: Peter Korsgaard <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Cc: Li Yang <[email protected]>
Acked-by: Alan Stern <[email protected]>
Cc: Geoff Levand <[email protected]>
Cc: Wan ZongShun <[email protected]>
Cc: Olav Kongas <[email protected]>
Cc: Lennert Buytenhek <[email protected]>
Cc: Ben Dooks <[email protected]>
Cc: Kukjin Kim <[email protected]>
Acked-by: Nicolas Ferre <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>