All Exynos SoCs have the same syscon reboot and poweroff device nodes so there is no need to duplicate the same on each SoC dtsi and can be moved to a common dtsi that can be included by all the SoCs dtsi files. Suggested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung,com> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>