Test of virtual-APIC address

This test checks that a nested VM-entry fails if the "use TPR shadow"
VM-execution control is set and the virtual-APIC address is illegal. A
legal virtual-apic address is 4k-aligned and within the physical
address space supported by the processor.

Signed-off-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>