Add LATENCYTOP support for MIPS. Tested on OCTEON.
Signed-off-by: NAaro Koskinen <aaro.koskinen@nokia.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11353/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>