1wire family module autoload fails because of upper/lower
  case mismatch.
Signed-off-by: NIngo Flaschberger <ingo.flaschberger@gmail.com>
Acked-by: NEvgeniy Polyakov <zbr@ioremap.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>