Staging: octeon: remove unneeded includes

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: netdev@vger.kernel.org
To: gregkh@suse.de
Patchwork: http://patchwork.linux-mips.org/patch/964/


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