Use the dev_dbg dynamic infrastructure instead of rolling our own custom
debug logic. This is needed as CONFIG_USB_DEBUG is now gone.
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com> Cc: Sean Young <sean@mess.org> Cc: Hans Verkuil <hans.verkuil@cisco.com> Cc: Jonathan McCrohan <jmccrohan@gmail.com> Cc: James Hogan <james.hogan@imgtec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>