crypto: caam/qi - explicitly set dma_ops

Since ARM64 commit 1dccb598 ("arm64: simplify dma_get_ops"),
dma_ops no longer default to swiotlb_dma_ops, but to dummy_dma_ops.

dma_ops have to be explicitly set in the driver - at least for ARM64.

Fixes: 67c2315d

 ("crypto: caam - add Queue Interface (QI) backend support")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>