Changes

gerrit_binpkgs: display hint for OBS build status

Binary packages may fail to build if dependency binary packages are not
build yet. Display the link where the status of those packages can be
seen.

Suggested-by: Pau Espin Pedrol <pespin@sysmocom.de>
Change-Id: I6a2d7c27f6cd8f0e688aefacc819d3760f21e02e