virsh: introduce new macros to help check flag requirements
virsh: introduce new macros to help check flag requirements

Signed-off-by: Pavel Hrdina <d4772d05997b8abf035041e3b4f4996380ea7e7a@redhat.com>

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