cmake xxHash examples

root-project/root builtins/lz4/CMakeLists.txt :9

find_package(xxHash REQUIRED)

scylladb/scylladb CMakeLists.txt :155

find_package(xxHash REQUIRED)

manticoresoftware/manticoresearch cmake/GetxxHash.cmake :13

find_package ( xxHash QUIET CONFIG )

arximboldi/immer test/extra/persist/CMakeLists.txt :3

find_package(xxHash 0.8 CONFIG REQUIRED)

heal-research/operon CMakeLists.txt :105

find_package(xxHash)

google/orbit CMakeLists.txt :104

find_package(xxHash REQUIRED)