Fix the following checkpatch warnings.

  WARNING: please, no space before tabs
  WARNING: space prohibited between function name and open parenthesis '('
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NNishanth Menon <nm@ti.com>
Signed-off-by: NMark Brown <broonie@linaro.org>