ste_dma40: implement support for scatterlist to scatterlist copy
ste_dma40: implement support for scatterlist to scatterlist copy

Now that the DMAEngine API has support for scatterlist to scatterlist
copy, implement support for the STE DMA40 DMA controller.

Cc: Linus Walleij <9718a618a52eaa7c266fe4a5c0963bc1c4c36807@gmail.com>
Acked-by: Per Fridén <d59f9f5379a6a4dccd864cada197eaf4b5f9930b@stericsson.com>
Signed-off-by: Ira W. Snyder <db42e9324d3f37cb05970bc4fc1606acfcc4d708@ovro.caltech.edu>
Signed-off-by: Dan Williams <24ee2bf0bd8ac766c348bf1f0639943bac1535c6@intel.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas