drm/i915/audio: fix audio code enable/disable pipe logging

Need to use pipe_name(pipe) instead of pipe directly.

Fixes: 1f31e35f ("drm/i915/audio: unify audio codec enable/disable debug logging")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220512161638.272601-1-jani.nikula@intel.com
(cherry picked from commit 945ae909)

drivers/gpu/drm/i915/display/intel_audio.c

@@ -827,7 +827,7 @@ void intel_audio_codec_enable(struct intel_encoder *encoder,
 	drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s][ENCODER:%d:%s] Enable audio codec on pipe %c, %u bytes ELD\n",
 		    connector->base.id, connector->name,
 		    encoder->base.base.id, encoder->base.name,
-		    pipe, drm_eld_size(connector->eld));
+		    pipe_name(pipe), drm_eld_size(connector->eld));
 
 	/* FIXME precompute the ELD in .compute_config() */
 	if (!connector->eld[0])
@@ -888,7 +888,7 @@ void intel_audio_codec_disable(struct intel_encoder *encoder,
 
 	drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s][ENCODER:%d:%s] Disable audio codec on pipe %c\n",
 		    connector->base.id, connector->name,
-		    encoder->base.base.id, encoder->base.name, pipe);
+		    encoder->base.base.id, encoder->base.name, pipe_name(pipe));
 
 	if (dev_priv->audio.funcs)
 		dev_priv->audio.funcs->audio_codec_disable(encoder,