MIPS: Octeon: Move code to avoid forward declaration

Move code to avoid forward declarations.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nsn.com>
Cc: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7667/


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