examples/dma: rename ioat application example

Since the APIs have been updated from rawdev to dmadev, the application
should also be renamed to match. This patch also includes the documentation
upda

examples/dma: rename ioat application example

Since the APIs have been updated from rawdev to dmadev, the application
should also be renamed to match. This patch also includes the documentation
updates for the renaming.

Signed-off-by: Kevin Laatz <[email protected]>
Reviewed-by: Conor Walsh <[email protected]>

show more ...