accel/habanalabs: add debug prints to dump content of SG table for dma-buf

Add debug prints to dump the content of the SG table which is prepared
when the dma-buf map op is called.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>