dma-mapping-6.12-2024-09-19

dma-mapping updates for linux 6.12

 - support DMA zones for arm64 systems where memory starts at > 4GB
   (Baruch Siach, Catalin Marinas)
 - support direct calls into dma-iommu and thus obsolete dma_map_ops for
   many common configurations (Leon Romanovsky)
 - add DMA-API tracing (Sean Anderson)
 - remove the not very useful return value from various dma_set_* APIs
   (Christoph Hellwig)
 - misc cleanups and minor optimizations (Chen Y, Yosry Ahmed,
   Christoph Hellwig)
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