watchdog: octeon-wdt: File cleaning.

* Update copyright and company name.
* Remove unused headers.
* Fix variable spelling and data type.
* Use octal values for module parameters.

Signed-off-by: Steven J. Hill <steven.hill@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: linux-mips@linux-mips.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17212/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>