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Read DT property to check if AXI DMA is connected to streaming IP
i.e axiethernet. If connected i.e xlnx,axistream-connected property
is present in the dma node then pass AXI4-Stream control words to dma
client using metadata_ops dmaengine API.

If not connected then driver won't support metadata_ops dmaengine API
and continue to support all legacy usecases.
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/1691387509-2113129-4-git-send-email-radhey.shyam.pandey@amd.com

Signed-off-by: Vinod Koul <vkoul@kernel.org>