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: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>