cmake oneMath examples

ggml-org/llama.cpp ggml/src/ggml-sycl/CMakeLists.txt :121 

find_package(oneMath QUIET)

Telosnex/fllama ios/llama.cpp/ggml/src/ggml-sycl/CMakeLists.txt :121 

find_package(oneMath QUIET)