* Tegra Hypervisor PM control (tegra_hv_pm_ctl)

Required properties:
- compatible: Should be "nvidia,tegra-hv-pm-ctl".
- ivc : IVC channel ID between Guest VM and Sysmgr.

Optional properties:
- wait-for-guests: Used for dependency management.
                   VMs which should be inactive (shutdown/suspended)
                   before this VM should be specified in this property

Example:
	tegra_hv_pm_ctl {
		compatible = "nvidia,tegra-hv-pm-ctl";
		status = "okay";
		ivc = <&tegra_hv 102>;
		wait-for-guests = <1 2 3 ...>;
	};
