Split VmExtra.t into VmExtra.persistent_t and VmExtra.non_persistent_t
Split VmExtra.t into VmExtra.persistent_t and VmExtra.non_persistent_t

VmExtra.persistent_t contains all the data we need to export to xapi
when suspending a VM, and re-import when resuming the VM. The data in
VmExtra.non_persistent_t is only required at first boot.

Signed-off-by: John Else <37b74501daa612e48fea94f9846ed4ddeb6a8f07@citrix.com>

djs55/xcp-networkd,johnelse/xcp-rrdd,koushikcgit/xcp-rrdd,koushikcgit/xcp-networkd,johnelse/xcp-rrdd,sharady/xcp-networkd,koushikcgit/xcp-networkd,koushikcgit/xcp-rrdd,djs55/xcp-networkd,koushikcgit/xcp-rrdd,sharady/xcp-networkd,djs55/xcp-rrdd,simonjbeaumont/xcp-rrdd,djs55/squeezed,djs55/xcp-rrdd,robhoes/squeezed,simonjbeaumont/xcp-rrdd