Amlogic Meson Reboot

Required properties:
 - compatible: must be "amlogic,reboot"

 - sys_reset: should be 0x84000009
 - sys_poweroff: should be 0x84000008
   refere to Power_State_Coordination_Interface_PDD_v1_1_DEN0022D.pdf,page 34.

Examples:

	reboot {
		compatible = "amlogic,reboot";
		sys_reset = <0x84000009>;
		sys_poweroff = <0x84000008>;
	};
