[NATIVECPU] Add Native CPU specific property mechanism and nd_range property

[PietroGhg]

This PR adds a mechanism to process Native CPU-specific kernel properties, and uses that mechanism to process a kernel property to check whether or not a kernel uses features provided by sycl::nd_range (e.g. get_local_id, local memory, workgroup_barrier).
This information is employed when enqueueing the kernel: if the kernel doesn't use nd_range features, we can restructure the nd_range, allowing us to pack more work items into a work group, which plays well with the vectorization/scheduling process used by Native CPU.

intel/llvm PR: intel/llvm#16152

[martygrant]

Unified Runtime -> intel/llvm Repo Move Notice

Information

The source code of Unified Runtime has been moved to intel/llvm under the unified-runtime top-level directory,
all future development will now be carried out there. This was done in intel/llvm#17043.

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[martygrant]

Unified Runtime -> intel/llvm Repo Move Notice

Following on from the previous notice, we have now enabled workflows to automatically label and close PRs because the Unified Runtime source code has moved to intel/llvm.

This PR has now been marked with the auto-close label and will be automatically closed after 30 days.

Please review the previous notice for more information, including assistance with migrating your PR to intel/llvm.

Should there be a reason for this PR to remain open, manually remove the auto-close label.

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