drivers: staging: octeon-usb: fixed codestyle check warning

Fixed line cannot end with '(' check.

Signed-off-by: Naveen Panwar <naveen.panwar27@gmail.com>
Link: https://lore.kernel.org/r/20200908030239.10131-1-naveen.panwar27@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>