CMake: Add an option to enable the CMake pacakge registry
CMake: Add an option to enable the CMake pacakge registry

chuckatkins/legion,chuckatkins/legion,sdalton1/legion,sdalton1/legion,StanfordLegion/legion,chuckatkins/legion,StanfordLegion/legion,StanfordLegion/legion,sdalton1/legion,chuckatkins/legion,chuckatkins/legion,sdalton1/legion,StanfordLegion/legion,sdalton1/legion,StanfordLegion/legion,sdalton1/legion,StanfordLegion/legion,chuckatkins/legion,StanfordLegion/legion,StanfordLegion/legion,chuckatkins/legion