Merge tag 'at91-cleanup3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/drivers

Merge "at91: cleanup for 4.1 #3" from Nicolas Ferre:

Third batch of cleanup for 4.1:
- System Timer (ST) for at91rm9200 re-work (syscon/regmap):
  - watchdog
  - restart handler
  - timer as a proper clocksource
  => remove mach dependency + cleanup

* tag 'at91-cleanup3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91: (54 commits)
  ARM: at91: remove useless include
  clocksource: atmel-st: remove mach/hardware dependency
  clocksource: atmel-st: use syscon/regmap
  ARM: at91: time: move the system timer driver to drivers/clocksource
  ARM: at91: properly initialize timer
  ARM: at91: at91rm9200: remove deprecated arm_pm_restart
  watchdog: at91rm9200: implement restart handler
  watchdog: at91rm9200: use the system timer syscon
  mfd: syscon: Add atmel system timer registers definition
  ARM: at91/dt: declare atmel,at91rm9200-st as a syscon
  ARM: at91: remove old setup
  ARM: at91: sama5d4: remove useless map_io
  ARM: at91: sama5 use SoC detection infrastructure
  ARM: at91: at91sam9: use SoC detection infrastructure
  ARM: at91: at91rm9200 use SoC detection infrastructure
  ARM: at91: add soc detection infrastructure
  ARM: at91/dt: introduce atmel,<chip>-dbgu
  ARM: at91: remove unused _matrix.h headers
  ARM: at91: remove unused at91_ioremap_matrix and header
  ARM: at91: remove NEED_MACH_IO_H
  ...
Signed-off-by: Olof Johansson <olof@lixom.net>