There were multiple loops in a row, for each separate step of the
initialization of the channels.  Simplify to a single loop.
Signed-off-by: NMartin Hicks <mort@bork.org>
Acked-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>