MIPS: Octeon: Update register definitions for CN63XX chips

The CN63XX is a new 6-CPU SOC based on the new OCTEON II CPU cores.

Join some lines back together.  This makes some of them exceed 80
columns, but they are uninteresting and this unclutters things.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1668/


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