Merge branch 'rcar-3.9.4/dmae.rc1' into v4.14.75-ltsi/rcar-3.9.6

* rcar-3.9.4/dmae.rc1:
  dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid
  Revert "dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid"