Fix below compile error:

  CC      sound/soc/samsung/smartq_wm8987.o
sound/soc/samsung/smartq_wm8987.c: In function 'smartq_hifi_hw_params':
sound/soc/samsung/smartq_wm8987.c:42: error: 'struct snd_soc_pcm_runtime' has no member named 'dai'
sound/soc/samsung/smartq_wm8987.c:43: error: 'struct snd_soc_pcm_runtime' has no member named 'dai'
sound/soc/samsung/smartq_wm8987.c: In function 'smartq_wm8987_init':
sound/soc/samsung/smartq_wm8987.c:192: warning: passing argument 1 of 'snd_soc_jack_new' from incompatible pointer type
sound/soc/samsung/smartq_wm8987.c: At top level:
sound/soc/samsung/smartq_wm8987.c:216: warning: initialization from incompatible pointer type
make[3]: *** [sound/soc/samsung/smartq_wm8987.o] Error 1
make[2]: *** [sound/soc/samsung] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>