fix a lot of "line over 80 characters" checkpatch issues, on which
the users of the driver, key customers care about this very much.
Signed-off-by: NQipan Li <Qipan.Li@csr.com>
Signed-off-by: NBarry Song <Baohua.Song@csr.com>
Signed-off-by: NMark Brown <broonie@linaro.org>