staging: octeon: fix missing a blank line after declaration

This patch fixes "WARNING: Missing a blank line after declarations"
Issue found by checkpatch.pl

Signed-off-by: Valery Ivanov <ivalery111@gmail.com>
Link: https://lore.kernel.org/r/20191108142329.GA3192@hwsrv-485799.hostwindsdns.com


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