* xcp-ng: fix vm boot options
Use value boot option values from VM details directly similar to other hypervisor plugins instead of relying on boot properties explicitly set for VirtualMachineTO.
Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>
Co-authored-by: Harikrishna Patnala <harikrishna.patnala@gmail.com>