ARM: tegra12: p2360: Add hypervisor property

ARM: tegra12: p2360: Add hypervisor property

Add new property in /chosen node to specify hypervisor mode enabled for
tegra. This property will be set by default. When Linux runs in native
mode, bootloader will delete this property from device tree.

bug 200001539

Change-Id: Ie64ac4b5ee5addf8b1f56907fd196c2701ef287c
Signed-off-by: Vipin Kumar <vipink@nvidia.com>
Reviewed-on: http://git-master/r/405776
Reviewed-on: http://git-master/r/414981
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sumeet Gupta <sumeetg@nvidia.com>
Reviewed-by: Sandeep Trasi <strasi@nvidia.com>