KVM has nice wrappers to access the register values, clean up a few places
that should use them but currently do not.
Signed-off-by: David Kaplan <david.kaplan@amd.com>
[forward port and testing] Signed-off-by: Joel Schopp <joel.schopp@amd.com> Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>