Merge branch 'perf-watchdog-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull watchdog fixes from Ingo Molnar:
 "Two small watchdog subsystem fixes"

* 'perf-watchdog-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  watchdog: Fix print-once on enable
  watchdog: Remove unnecessary header files