Here is a patch to add endpoint autoconfiguration to the gadget
serial driver.  I pretty much copied gadget zero autoconfig
for this.  Tested with a NetChip 2280 development board.
Signed-off-by: Al Borchers <alborchers@steinerpoint.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>