MIPS: Octeon: Remove usage of cvmx_wait() everywhere.

Signed-off-by: Steven J. Hill <steven.hill@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17389/


Signed-off-by: James Hogan <jhogan@kernel.org>