linux-wandboard

sh: Drop name overload in dma-sh.

Pass along the dev_id from request_dma() all the way down,
rather than inserting an artificial name relating to the TEI
line that we were doing before.

This makes the line a bit less obvious, but dev_id is the proper
behaviour for this regardless.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>