Watchdog patches queued for 4.3

watchdog: at91rm9200: Correct check for syscon_node_to_regmap() errors
watchdog: mpc8xxx: allow to compile for MPC512x
watchdog: mpc8xxx: use better error code when watchdog cannot be enabled
watchdog: mpc8xxx: use dynamic memory for device specific data
watchdog: mpc8xxx: use devm_ioremap_resource to map memory
watchdog: mpc8xxx: make use of of_device_get_match_data
Merge tag 'tags/ib-mfd-i2c-x86-watchdog-v4.3' into watchdog-next
watchdog: at91sam9: get and use slow clock
watchdog: lpc18xx_wdt_get_timeleft() can be static
Documentation: dt: binding: atmel-sama5d4-wdt: for SAMA5D4 watchdog driver
drivers: watchdog: add a driver to support SAMA5D4 watchdog timer
watchdog: mpc8xxx: simplify registration
watchdog: mpc8xxx: remove dead code
DT: watchdog: Add NXP LPC18xx Watchdog Timer binding documentation
watchdog: NXP LPC18xx Watchdog Timer Driver
watchdog: gpio-wdt: ping already at startup for always running devices
watchdog: gpio-wdt: be more strict about hw_algo matching
Documentation: watchdog: at91sam9_wdt: add clocks property
watchdog: booke_wdt: Use infrastructure to check timeout limits
watchdog: (nv_tco) add support for MCP79
watchdog: sunxi: fix activation of system reset
watchdog: mtk_wdt: add wdt shutdown callback to disable wdt if enabled
watchdog: mtk_wdt: add suspend/resume support
watchdog: imgpdc: Unregister restart handler on remove
watchdog: iTCO_wdt: Add support for TCO on Intel Sunrisepoint
i2c: i801: Create iTCO device on newer Intel PCHs
mfd: watchdog: iTCO_wdt: Expose watchdog properties using platform data
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