ASoC: fsl_spdif: Staticse non-exported symbols
ASoC: fsl_spdif: Staticse non-exported symbols

Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>
Acked-by: Nicolin Chen <fed8a4cb7ceb3b76c9766c6060d1052cbf8802e2@freescale.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs