Pull watchdog updates from Wim Van Sebroeck:
 "New drivers:
   - Intel Keembay Soc

  New chip versions:
   - sun4i: Add H616 compatible string
   - mt8192 wdt support
   - more Rockchip compatibles to snps,dw-wdt.yaml
   - binding for Qcom SDX55
   - r8a779a0 (V3U) support

  Removed drivers:
   - sirf prima watchdog driver
   - sirf atlas watchdog driver
   - zte zx watchdog driver
   - tango watchdog driver
   - coh901 watchdog driver

  And several fixes and clean-ups"

* tag 'linux-watchdog-5.12-rc1' of git://www.linux-watchdog.org/linux-watchdog: (24 commits)
  watchdog: qcom: Remove incorrect usage of QCOM_WDT_ENABLE_IRQ
  watchdog: mei_wdt: request stop on unregister
  dt-bindings: watchdog: Add binding for Qcom SDX55
  watchdog: remove coh901 driver
  watchdog: remove tango driver
  watchdog: remove zte zx driver
  watchdog: remove sirf atlas driver
  watchdog: remove sirf prima driver
  watchdog: mt8192: add wdt support
  dt-binding: mt8192: add toprgu reset-controller head file
  dt-binding: mediatek: mt8192: update mtk-wdt document
  dt-binding: mediatek: watchdog: fix the description of compatible
  dt-binding: watchdog: add more Rockchip compatibles to snps,dw-wdt.yaml
  dt-bindings: watchdog: sun4i: Add H616 compatible string
  watchdog: mtk_wdt: Remove mtk_wdt_stop() in probe() to prevent the system freeze and it doesn't reboot by watchdog problem
  watchdog: renesas_wdt: add grace period before rebooting
  watchdog: stop wdd when watchdog hw running in reboot_notifier
  watchdog: ziirave_wdt: remove unused including <linux/version.h>
  dt-bindings: watchdog: renesas,wdt: add r8a779a0 (V3U) support
  watchdog: renesas_wdt: don't sleep in atomic context
  ...