SRPM: make sure submodules are initialized
SRPM: make sure submodules are initialized

If we try to make an SRPM from a pristine checkout (as with
automation), it would be missing the necessary submodule to build
successfully. This patch just makes sure that the make-srpm tool
initializes the submodules.

larskarlitski/cockpit,moraleslazaro/cockpit,sgallagher/cockpit,vanloswang/cockpit,michalskrivanek/cockpit,evol262/cockpit,Armstrong1992/cockpit,kkaempf/cockpit,Armstrong1992/cockpit,denysvitali/cockpit,matobet/cockpit,evol262/cockpit,arilivigni/cockpit,stefwalter/cockpit,garrett/cockpit,dperpeet/cockpit,nmav/cockpit,vanloswang/cockpit,mareklibra/cockpit,sgallagher/cockpit,larskarlitski/cockpit,dperpeet/cockpit,harishanand95/cockpit,petervo/cockpit,sgallagher/cockpit,SotolitoLabs/cockpit,moraleslazaro/cockpit,larskarlitski/cockpit,netzvieh/cockpit,matobet/cockpit,moraleslazaro/cockpit,Thermionix/cockpit,cockpit-project/cockpit,FireDrunk/cockpit,deryni/cockpit,dperpeet/cockpit,Scribery/cockpit,matobet/cockpit,petervo/cockpit,mareklibra/cockpit,haiyangd/cockpit_view,andreasn/cockpit,larsu/cockpit,xhad/cockpit,petervo/cockpit,FireDrunk/cockpit,haiyangd/cockpit_view,denysvitali/cockpit,maxamillion/cockpit,xhad/cockpit,Scribery/cockpit,fridex/cockpit,maxamillion/cockpit,larskarlitski/cockpit,sgallagher/cockpit,evol262/cockpit,vbatts/cockpit,petervo/cockpit,michalskrivanek/cockpit,fridex/cockpit,netzvieh/cockpit,andreasn/cockpit,evol262/cockpit,mvollmer/cockpit,mvollmer/cockpit,petervo/cockpit,Scribery/cockpit,xhad/cockpit,andreasn/cockpit,larskarlitski/cockpit,haiyangd/cockpit_view,sub-mod/cockpit,mareklibra/cockpit,martinpitt/cockpit,zigitax/cockpit,denysvitali/cockpit,moraleslazaro/cockpit,garrett/cockpit,haiyangd/cockpit_view,vanloswang/cockpit,darioajr/cockpit,firebitsbr/cockpit,michalskrivanek/cockpit,cockpituous/cockpit,harishanand95/cockpit,Thermionix/cockpit,michalskrivanek/cockpit,moolitayer/cockpit,mvollmer/cockpit,cockpituous/cockpit,Thermionix/cockpit,xhad/cockpit,deryni/cockpit,Armstrong1992/cockpit,kkaempf/cockpit,Thermionix/cockpit,deryni/cockpit,nmav/cockpit,sgallagher/cockpit,firebitsbr/cockpit,andreasn/cockpit,Armstrong1992/cockpit,xhad/cockpit,evol262/cockpit,cockpit-project/cockpit,mvollmer/cockpit,deryni/cockpit,vbatts/cockpit,darioajr/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,harishanand95/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,zigitax/cockpit,moraleslazaro/cockpit,vbatts/cockpit,FireDrunk/cockpit,cockpit-project/cockpit,michalskrivanek/cockpit,Scribery/cockpit,stefwalter/cockpit,SotolitoLabs/cockpit,FireDrunk/cockpit,sgallagher/cockpit,zigitax/cockpit,sgallagher/cockpit,cockpit-project/cockpit,nmav/cockpit,kkaempf/cockpit,stefwalter/cockpit,Scribery/cockpit,kkaempf/cockpit,michalskrivanek/cockpit,cockpit-project/cockpit,dperpeet/cockpit,harishanand95/cockpit,vanloswang/cockpit,harishanand95/cockpit,petervo/cockpit,deryni/cockpit,moolitayer/cockpit,arilivigni/cockpit,arilivigni/cockpit,andreasn/cockpit,Thermionix/cockpit,stefwalter/cockpit,larsu/cockpit,matobet/cockpit,garrett/cockpit,mareklibra/cockpit,moolitayer/cockpit,moolitayer/cockpit,mareklibra/cockpit,maxamillion/cockpit,stefwalter/cockpit,nmav/cockpit,matobet/cockpit,vbatts/cockpit,denysvitali/cockpit,martinpitt/cockpit,fridex/cockpit,maxamillion/cockpit,larsu/cockpit,fridex/cockpit,larskarlitski/cockpit,netzvieh/cockpit,cockpituous/cockpit,xhad/cockpit,arilivigni/cockpit,firebitsbr/cockpit,harishanand95/cockpit,moolitayer/cockpit,sub-mod/cockpit,vbatts/cockpit,dperpeet/cockpit,netzvieh/cockpit,nmav/cockpit,moraleslazaro/cockpit,jscotka/cockpit,matobet/cockpit,jscotka/cockpit,evol262/cockpit,martinpitt/cockpit,deryni/cockpit,darioajr/cockpit,vanloswang/cockpit,denysvitali/cockpit,SotolitoLabs/cockpit,firebitsbr/cockpit,garrett/cockpit,harishanand95/cockpit,dperpeet/cockpit,mvollmer/cockpit,sub-mod/cockpit,arilivigni/cockpit,larsu/cockpit,darioajr/cockpit,cockpituous/cockpit,zigitax/cockpit,jscotka/cockpit,martinpitt/cockpit,zigitax/cockpit,Armstrong1992/cockpit,FireDrunk/cockpit,fridex/cockpit,larsu/cockpit,vanloswang/cockpit,andreasn/cockpit,Thermionix/cockpit,deryni/cockpit,dperpeet/cockpit,michalskrivanek/cockpit,SotolitoLabs/cockpit,vanloswang/cockpit,andreasn/cockpit,fridex/cockpit,petervo/cockpit,jscotka/cockpit,netzvieh/cockpit,garrett/cockpit,cockpituous/cockpit,sub-mod/cockpit,arilivigni/cockpit,martinpitt/cockpit,cockpituous/cockpit,maxamillion/cockpit,netzvieh/cockpit,Scribery/cockpit,xhad/cockpit,larsu/cockpit,haiyangd/cockpit_view,kkaempf/cockpit,darioajr/cockpit,firebitsbr/cockpit,moraleslazaro/cockpit,jscotka/cockpit,SotolitoLabs/cockpit,stefwalter/cockpit,jscotka/cockpit,arilivigni/cockpit,vbatts/cockpit,sub-mod/cockpit,stefwalter/cockpit,Scribery/cockpit