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>
diff --git a/sound/soc/tegra/tegra_das.h b/sound/soc/tegra/tegra_das.h
index 2c96c7b..1810cd1 100644
--- a/sound/soc/tegra/tegra_das.h
+++ b/sound/soc/tegra/tegra_das.h
@@ -94,7 +94,7 @@
  * DAS: Digital audio switch (HW module controlled by this driver)
  * DAP: Digital audio port (port/pins on Tegra device)
  * DAC: Digital audio controller (e.g. I2S or AC97 controller elsewhere)
- * 
+ *
  * The Tegra DAS is a mux/cross-bar which can connect each DAP to a specific
  * DAC, or another DAP. When DAPs are connected, one must be the master and
  * one the slave. Each DAC allows selection of a specific DAP for input, to