This PR adds the XeGPU workgroup (wg) to subgroup (sg) pass. The wg to
sg pass transforms the xegpu wg level operations to subgroup operations
based on the sg_layout and sg_data attribute. The PR adds transformation
patterns for following Ops
1. CreateNdDesc
2. LoadNd
3. StoreNd
4. PrefetchNd
5. UpdateNdOffset
6. Dpas