Merge git://www.linux-watchdog.org/linux-watchdog

Merge git://www.linux-watchdog.org/linux-watchdog

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: Convert wm831x driver to watchdog core
  watchdog: s3c2410: convert to use the watchdog framework
  Documentation: watchdog: add guide how to convert drivers to new framework
  watchdog: iTCO_wdt.c - problems with newer hardware due to SMI clearing
  watchdog: Add WDIOC_GETTIMELEFT ioctl support to w83627 watchdog driver
  watchdog: irq: Remove IRQF_DISABLED
  watchdog: Octeon: Mark octeon_wdt interrupt as IRQF_NO_THREAD
  watchdog: sc520_wdt: Remove unnecessary cast.