hostdev: Look up devices using IDs when possible
hostdev: Look up devices using IDs when possible

When we want to look up a device in a device list and we already
have the IDs from another source, we can simply use
virPCIDeviceListFindByIDs() instead of creating a temporary device
object.

jfehlig/libvirt,eskultety/libvirt,olafhering/libvirt,libvirt/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,olafhering/libvirt,libvirt/libvirt,olafhering/libvirt,fabianfreyer/libvirt,eskultety/libvirt,jfehlig/libvirt,crobinso/libvirt,eskultety/libvirt,datto/libvirt,libvirt/libvirt,zippy2/libvirt,datto/libvirt,jardasgit/libvirt,taget/libvirt,nertpinx/libvirt,crobinso/libvirt,taget/libvirt,zippy2/libvirt,taget/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,taget/libvirt,fabianfreyer/libvirt,eskultety/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,datto/libvirt,datto/libvirt,jardasgit/libvirt,datto/libvirt,libvirt/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,taget/libvirt,eskultety/libvirt,olafhering/libvirt,nertpinx/libvirt,zippy2/libvirt,crobinso/libvirt,nertpinx/libvirt,nertpinx/libvirt,jfehlig/libvirt,andreabolognani/libvirt,zippy2/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,crobinso/libvirt