Hyper-V: set {S,M}MODEL a Hyper-V

closes: #1991
see: http://permalink.gmane.org/gmane.comp.monitoring.fusion-inventory.user/521

Reported-by: Walid Nouh <walid.nouh@gmail.com>
Reported-by: Mario Jorge De Sousa Freire <mario.freire@camara.gov.br>