USB: remove leftover references to udev->autosuspend_disabled

This patch (as1373) fixes a couple of drivers outside the USB
subtree.  Devices are now disabled or enabled for autosuspend by
calling a core function instead of setting a flag.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>