KVM: SVM: Do not activate AVIC for SEV-enabled guest

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2074832



commit c538dc79
Author: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Date:   Fri Apr 8 08:37:10 2022 -0500

    KVM: SVM: Do not activate AVIC for SEV-enabled guest

    Since current AVIC implementation cannot support encrypted memory,
    inhibit AVIC for SEV-enabled guest.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
    Message-Id: <20220408133710.54275-1-suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>