The LPE audio configuration depends on the pipe, thus we need to pass
the currently used pipe.  It's now embedded in struct
intel_hdmi_lpe_audio_eld as well as port id.
Acked-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>