[XIU]: add HVM and HAP flags to the hypercall simulator.
[XIU]: add HVM and HAP flags to the hypercall simulator.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

johnelse/forkexecd,djs55/forkexecd,xapi-project/message-switch,xapi-project/message-switch,xapi-project/message-switch