Test of VMCS pin-based controls

This test checks that a nested VM-entry fails if reserved bits in the
pin-based VM-execution controls are not set properly (according to
either the IA32_VMX_PINBASED_CTLS MSR or the
IA32_VMX_TRUE_PINBASED_CTLS MSR, as appropriate).

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