parallels: set cpu mode when applying xml configuration
parallels: set cpu mode when applying xml configuration

Otherwise exporting existing domain config and defining a new one like this:
virsh -c parallels:///system dumpxml instance01 > my.xml
virsh -c parallels:///system define my.xml
leads to an error because PCS default x64 mode turns to x32.
Thus, we need to set correct cpuMode in prlsdkDoApplyConfig() explicitly.

Signed-off-by: Mikhail Feoktistov <6088ba5510a617d695c444b15f13426d8a9a8aa0@parallels.com>
Signed-off-by: Maxim Nestratov <3521c777060d1ad4ae08bba7eb9d80264eaeb236@parallels.com>
Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

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