ALSA: firewire-lib: fix inverted node IDs for amdtp_packet events

The amdtp_packet events have inverted node IDs for src/dst. This commit
fixes the bug.

Fixes: 8d3f1fdf ("ALSA: firewire-lib: unify tracing events to 'amdtp_packet' event")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/firewire/amdtp-stream-trace.h

@@ -35,11 +35,11 @@ TRACE_EVENT(amdtp_packet,
 		__entry->cycle = cycles % CYCLES_PER_SECOND;
 		__entry->channel = s->context->channel;
 		if (s->direction == AMDTP_IN_STREAM) {
-			__entry->src = fw_parent_device(s->unit)->node_id;
-			__entry->dest = fw_parent_device(s->unit)->card->node_id;
-		} else {
 			__entry->src = fw_parent_device(s->unit)->card->node_id;
 			__entry->dest = fw_parent_device(s->unit)->node_id;
+		} else {
+			__entry->src = fw_parent_device(s->unit)->node_id;
+			__entry->dest = fw_parent_device(s->unit)->card->node_id;
 		}
 		if (cip_header) {
 			memcpy(__get_dynamic_array(cip_header), cip_header,