cmake DAOS examples

ceph/ceph src/rgw/CMakeLists.txt :384 

find_package(DAOS REQUIRED)

root-project/root cmake/modules/SearchInstalledSoftware.cmake :1238 

find_package(DAOS REQUIRED)

ornladios/ADIOS2 cmake/DetectOptions.cmake :523 

find_package(DAOS)