CA-162966: Fix the bug where the GPU value could not be updated via VM Properties for Linux HVM
CA-162966: Fix the bug where the GPU value could not be updated via VM Properties for Linux HVM

- The problem was that we didn't create a vgpu if the vgpu_type was null. But for Linux HVM, this is gpu passthrough case.

Signed-off-by: Mihaela Stoica <be95049f8e30d921fc7e2579c00c48bd84c40606@citrix.com>

qlw/xenadmin,geosharath/xenadmin,jijiang/xenadmin,letsboogey/xenadmin,qlw/xenadmin,jijiang/xenadmin,ushamandya/xenadmin,qlw/xenadmin,robhoes/xenadmin,GaborApatiNagy/xenadmin,Frezzle/xenadmin,geosharath/xenadmin,jijiang/xenadmin,letsboogey/xenadmin,ushamandya/xenadmin,GaborApatiNagy/xenadmin,MihaelaStoica/xenadmin,huizh/xenadmin,cheng-z/xenadmin,kc284/xenadmin,minli1/xenadmin,minli1/xenadmin,minli1/xenadmin,agimofcarmen/xenadmin,minli1/xenadmin,robhoes/xenadmin,cheng--zhang/xenadmin,xenserver/xenadmin,xenserver/xenadmin,stephen-turner/xenadmin,ushamandya/xenadmin,Frezzle/xenadmin,letsboogey/xenadmin,stephen-turner/xenadmin,huizh/xenadmin,MihaelaStoica/xenadmin,ushamandya/xenadmin,kc284/xenadmin,huizh/xenadmin,ushamandya/xenadmin,jijiang/xenadmin,Frezzle/xenadmin,huizh/xenadmin,kc284/xenadmin,agimofcarmen/xenadmin,cheng-z/xenadmin,cheng-z/xenadmin,minli1/xenadmin,agimofcarmen/xenadmin,cheng--zhang/xenadmin,geosharath/xenadmin,cheng--zhang/xenadmin,cheng-z/xenadmin,ushamandya/xenadmin,robhoes/xenadmin,GaborApatiNagy/xenadmin,GaborApatiNagy/xenadmin,MihaelaStoica/xenadmin,GaborApatiNagy/xenadmin,stephen-turner/xenadmin,cheng--zhang/xenadmin,huizh/xenadmin,robhoes/xenadmin,huizh/xenadmin,robhoes/xenadmin,cheng--zhang/xenadmin,qlw/xenadmin,letsboogey/xenadmin,agimofcarmen/xenadmin,kc284/xenadmin,cheng--zhang/xenadmin,agimofcarmen/xenadmin,qlw/xenadmin,MihaelaStoica/xenadmin,geosharath/xenadmin,minli1/xenadmin,GaborApatiNagy/xenadmin,MihaelaStoica/xenadmin,letsboogey/xenadmin,jijiang/xenadmin,MihaelaStoica/xenadmin,cheng-z/xenadmin,geosharath/xenadmin,stephen-turner/xenadmin,geosharath/xenadmin,xenserver/xenadmin,letsboogey/xenadmin,cheng-z/xenadmin,stephen-turner/xenadmin,jijiang/xenadmin,stephen-turner/xenadmin,Frezzle/xenadmin,Frezzle/xenadmin,robhoes/xenadmin,Frezzle/xenadmin,kc284/xenadmin