staging: comedi: addi_apci_3501: move the copyright information

Move the copyright information from hwrdv_apci3501.c to the main
driver file. Reformat it to fix the > 80 char lines.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>