dmaengine fixes for v5.2-rc4

The fixes for this round are in drivers:
 - jz4780 transfer fix for acking descriptors early
 - fsl-qdma: clean registers on error
 - dw-axi-dmac: null pointer dereference fix
 - mediatek-cqdma: fix sleeping in atomic context
 - tegra210-adma: fix bunch os issues like crashing in driver
   probe, channel FIFO configuration etc.
 - sprd: Fixes for possible crash on descriptor status, block
   length overflow. For 2-stage transfer fix incorrect start,
   configuration and interrupt handling.
-----BEGIN PGP SIGNATURE-----
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=Ca0d
-----END PGP SIGNATURE-----