cmake DEPTHAI_HAVE_OPENCV_SUPPORT examples

luxonis/depthai-core CMakeLists.txt :540 

target_compile_definitions(${TARGET_CORE_NAME} PUBLIC DEPTHAI_HAVE_OPENCV_SUPPORT)

luxonis/depthai-core CMakeLists.txt :936 

target_compile_definitions(${TARGET_OPENCV_NAME} PUBLIC DEPTHAI_HAVE_OPENCV_SUPPORT)