Samsung Exynos improvements for 4.5:
1. Switch from Exynos-specific restart/poweroff handler
(mach-exynos/pmu.c) to generic syscon-reboot and syscon-poweroff
drivers.
This depends on adding syscon nodes to DTS to preserve
bisectability.
2. Minor improvements.
* tag 'samsung-soc-4.5' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: EXYNOS: Remove redundant code from regs-pmu.h
ARM: EXYNOS: Constify local exynos_pmu_data structure
ARM: EXYNOS: Switch to syscon reboot and poweroff
ARM: dts: Add syscon-{reboot, poweroff} nodes for exynos5410
ARM: dts: Add syscon-{reboot, poweroff} nodes for exynos5
ARM: dts: Add syscon-{reboot, poweroff} nodes for exynos4
ARM: dts: Add syscon-{reboot, poweroff} nodes for exynos3250
Signed-off-by: Olof Johansson <olof@lixom.net>