DMA-API: Fix duplicated word in DMA-API-HOWTO.txt

"coherent" is written twice when it should be just once.

Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Emilio López 2014-05-20 16:54:22 -06:00 • committed by Bjorn Helgaas
commit 34c815fbdc