ASoC: dwc: Folder path correction in file header.

Folder path correction in file header.
Signed-off-by: NRajeev Kumar <rajeevk-dlh.kumar@st.com>
Signed-off-by: NMark Brown <broonie@linaro.org>

sound/soc/dwc/designware_i2s.c

 /*
  * ALSA SoC Synopsys I2S Audio Layer
  *
- * sound/soc/spear/designware_i2s.c
+ * sound/soc/dwc/designware_i2s.c
  *
  * Copyright (C) 2010 ST Microelectronics
  * Rajeev Kumar <rajeev-dlh.kumar@st.com>