cmake DXSDK examples

tlorach/nvFX CMakeLists.txt :103 

find_package(DXSDK MODULE)

lighttransport/tinyusdz src/osd/CMakeLists.txt :387 

find_package(DXSDK)

orbitersim/orbiter CMakeLists.txt :219 

find_package(DXSDK REQUIRED)