staging: octeon-usb: cvmx-usbnx-defs.h: reformat license text to fit 80 cols

Reformat the original license text to fit in 80-column terminal. No
change in wording.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>