cmake CapnProto examples

eclipse-ecal/ecal app/mon/mon_plugins/capnproto_reflection/CMakeLists.txt :26

find_package(CapnProto REQUIRED)

Flow-IPC/ipc test/suite/perf_demo/CMakeLists.txt :19

find_package(CapnProto CONFIG REQUIRED)

cmu-db/peloton cmake/External/capnproto.cmake :5

find_package(CapnProto 0.6.1 QUIET)

gatecat/nextpnr-xilinx fpga_interchange/family.cmake :36

find_package(CapnProto REQUIRED)