53c700: convert to dma_alloc_noncoherent

Use the new non-coherent DMA API including proper ownership transfers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Christoph Hellwig 2020-08-18 16:38:25 +02:00
commit d69d8adc5b