Add support for the SPV_INTEL_usm_storage_classes extension: * https://github.com/intel/llvm/blob/sycl/sycl/doc/design/spirv-extensions/SPV_INTEL_usm_storage_classes.asciidoc
Add support for the SPV_INTEL_usm_storage_classes extension: * https://github.com/intel/llvm/blob/sycl/sycl/doc/design/spirv-extensions/SPV_INTEL_usm_storage_classes.asciidoc