LAPIC is reset in xAPIC mode and the surrounding code expects that.
KVM never resets after initialization.  This patch is just for sanity.
Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>