mvebu watchdog driver changes for v3.15

 - orion watchdog
    - cleanup and extend driver to support Armada 370 and Armada XP

Depends:
 - tags/irqchip-mvebu-fixes-3.14 (already pulled by tglx)
    - both are based on v3.14-rc1

* tag 'mvebu-watchdog-3.15' of git://git.infradead.org/linux-mvebu:
  watchdog: orion: Enable the build on ARCH_MVEBU
  watchdog: orion: Add support for Armada 370 and Armada XP SoC
  watchdog: orion: Add per-compatible watchdog start implementation
  watchdog: orion: Add per-compatible clock initialization
  watchdog: orion: Introduce per-compatible of_device_id data
  watchdog: orion: Introduce an orion_watchdog device structure
  watchdog: orion: Remove unneeded BRIDGE_CAUSE clear
  watchdog: orion: Make RSTOUT register a separate resource
  watchdog: orion: Handle the interrupt so it's properly acked
  watchdog: orion: Make sure the watchdog is initially stopped
  watchdog: orion: Remove unused macros
  watchdog: orion: Use atomic access for shared registers
  watchdog: orion: Add clock error handling
Signed-off-by: Arnd Bergmann <arnd@arndb.de>