Use GetFirstGuidHob() instead of GetNextGuidHob() when only the first GUID instance is required
Remove extra references to gEfiHobListGuid in INF files.  

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9797 6f19259b-4bc3-4df7-8a09-765794883524
5 files changed