hexagon: implement the sync_sg_for_device DMA operation

This methods needs to provide the equivalent of sync_single_for_device
for each S/G list element, but was missing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-05-19 08:58:51 +02:00
commit f406f222d4