Merge branch 'clockevents/4.19' of git://git.linaro.org/people/daniel.lezcano/linux...

Pull clockevent/source changes from Daniel Lezcano:

 - Add a less accurate but always-on clocksource for the sprd platform
   (Baoling Wang)
 - Add the system timer for the new mediatek platforms (Stanley Chu)
 - Change the cpumask to cpu_possible_mask (Sudeep Holla)