ASoC: tegra: fix some checkpatch warnings

ERROR: trailing whitespace
ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line
ERROR: "foo * bar" should be "foo *bar"

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>