bap: Parse BIG handle at endpoint config

This adds support to parse the "BIG" key in bcast qos parser, at
endpoint configuration.

profiles/audio/bap.c

@@ -4,7 +4,7 @@
  *  BlueZ - Bluetooth protocol stack for Linux
  *
  *  Copyright (C) 2022  Intel Corporation. All rights reserved.
- *  Copyright 2023 NXP
+ *  Copyright 2023-2024 NXP
  *
  *
  */
@@ -610,6 +610,11 @@ static int setup_parse_bcast_qos(struct bap_setup *setup, const char *key,
 			return -EINVAL;
 
 		dbus_message_iter_get_basic(iter, &qos->bcast.encryption);
+	} else if (!strcasecmp(key, "BIG")) {
+		if (var != DBUS_TYPE_BYTE)
+			return -EINVAL;
+
+		dbus_message_iter_get_basic(iter, &qos->bcast.big);
 	} else if (!strcasecmp(key, "Options")) {
 		if (var != DBUS_TYPE_BYTE)
 			return -EINVAL;