Add Freescale Vybrid Family period interrupt timer support.
Signed-off-by: NJingchang Lu <b35083@freescale.com>
Reviewed-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>