timers-core-2021-10-31

  - No core updates

  - No new clocksource/event driver

  - A large rework of the ARM architected timer driver to prepare for the
    support of the upcoming ARMv8.6 support

  - Fix Kconfig options for Exynos MCT, Samsung PWM and TI DM timers

  - Address a namespace collison in the ARC sp804 timer driver