spec: Add comments describing what the meta package can require
spec: Add comments describing what the meta package can require

The meta package should only require other cockpit subpackages.

Closes #4853
Reviewed-by: Dominik Perpeet <f7830b2723a5db4fc185058b06cfab4b89a38da9@redhat.com>

harishanand95/cockpit,michalskrivanek/cockpit,Scribery/cockpit,sgallagher/cockpit,martinpitt/cockpit,stefwalter/cockpit,garrett/cockpit,sgallagher/cockpit,xhad/cockpit,mvollmer/cockpit,sgallagher/cockpit,larsu/cockpit,xhad/cockpit,martinpitt/cockpit,Scribery/cockpit,mareklibra/cockpit,stefwalter/cockpit,moraleslazaro/cockpit,dperpeet/cockpit,deryni/cockpit,harishanand95/cockpit,harishanand95/cockpit,cockpit-project/cockpit,andreasn/cockpit,cockpit-project/cockpit,mvollmer/cockpit,petervo/cockpit,stefwalter/cockpit,larsu/cockpit,sgallagher/cockpit,michalskrivanek/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,petervo/cockpit,mvollmer/cockpit,larskarlitski/cockpit,mvollmer/cockpit,martinpitt/cockpit,andreasn/cockpit,michalskrivanek/cockpit,garrett/cockpit,arilivigni/cockpit,michalskrivanek/cockpit,vanloswang/cockpit,martinpitt/cockpit,sgallagher/cockpit,arilivigni/cockpit,harishanand95/cockpit,larskarlitski/cockpit,xhad/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,dperpeet/cockpit,Scribery/cockpit,michalskrivanek/cockpit,andreasn/cockpit,xhad/cockpit,stefwalter/cockpit,mvollmer/cockpit,martinpitt/cockpit,harishanand95/cockpit,cockpituous/cockpit,cockpit-project/cockpit,vanloswang/cockpit,garrett/cockpit,cockpit-project/cockpit,andreasn/cockpit,andreasn/cockpit,michalskrivanek/cockpit,arilivigni/cockpit,cockpituous/cockpit,vanloswang/cockpit,xhad/cockpit,dperpeet/cockpit,mareklibra/cockpit,garrett/cockpit,larskarlitski/cockpit,stefwalter/cockpit,dperpeet/cockpit,cockpit-project/cockpit,deryni/cockpit,Scribery/cockpit,arilivigni/cockpit,deryni/cockpit,larsu/cockpit,vanloswang/cockpit,moraleslazaro/cockpit,Scribery/cockpit,Scribery/cockpit,larskarlitski/cockpit,xhad/cockpit,harishanand95/cockpit,mareklibra/cockpit,deryni/cockpit,petervo/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,sgallagher/cockpit,petervo/cockpit,mareklibra/cockpit,moraleslazaro/cockpit,arilivigni/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,deryni/cockpit,cockpituous/cockpit,vanloswang/cockpit,xhad/cockpit,vanloswang/cockpit,dperpeet/cockpit,larsu/cockpit,andreasn/cockpit,petervo/cockpit,dperpeet/cockpit,dperpeet/cockpit,stefwalter/cockpit,petervo/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,mareklibra/cockpit,cockpituous/cockpit,Scribery/cockpit,larsu/cockpit,vanloswang/cockpit,deryni/cockpit,mareklibra/cockpit,petervo/cockpit,SotolitoLabs/cockpit,arilivigni/cockpit,deryni/cockpit,sgallagher/cockpit,moraleslazaro/cockpit,larsu/cockpit,SotolitoLabs/cockpit,harishanand95/cockpit,arilivigni/cockpit,michalskrivanek/cockpit,SotolitoLabs/cockpit,garrett/cockpit,mareklibra/cockpit,stefwalter/cockpit,andreasn/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit