* Tegra Hypervisor Serial emulation (tegra_hv_comm)

Required properties:
- compatible: Should be "nvidia,tegra-hv-comm"
- ivc: Should contain a tupple containing a reference to the tegra hypervisor
  node and an index of the IVC channel to use

Example:
	tegra_hv_comm {
		compatible = "nvidia,tegra-hv-comm";
		status = "okay";
		/* ivc channel to use definition (second one in tegra_hv) */
		ivc = <&tegra_hv 1>;
	};