ALSA: firewire-lib: rename macros with AM824 prefix

This commit renames some macros just related to AM824 format. In later
commit, they're moved to AM824 layer.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c
index cf6402d..a2baa47 100644
--- a/sound/firewire/bebob/bebob_stream.c
+++ b/sound/firewire/bebob/bebob_stream.c
@@ -354,7 +354,7 @@
 			case 0x09:	/* Digital */
 			default:
 				location = pcm + sec_loc;
-				if (location >= AMDTP_MAX_CHANNELS_FOR_PCM) {
+				if (location >= AM824_MAX_CHANNELS_FOR_PCM) {
 					err = -ENOSYS;
 					goto end;
 				}
@@ -872,8 +872,8 @@
 		}
 	}
 
-	if (formation[i].pcm  > AMDTP_MAX_CHANNELS_FOR_PCM ||
-	    formation[i].midi > AMDTP_MAX_CHANNELS_FOR_MIDI)
+	if (formation[i].pcm  > AM824_MAX_CHANNELS_FOR_PCM ||
+	    formation[i].midi > AM824_MAX_CHANNELS_FOR_MIDI)
 		return -ENOSYS;
 
 	return 0;