Bluetooth: amp: Use the correct print format

According to Documentation/core-api/printk-formats.rst,
Use the correct print format. Printing an unsigned int value should use %u
instead of %d. Otherwise printk() might end up displaying negative numbers.

Signed-off-by: Kai Ye <[e-mail]>
Signed-off-by: Marcel Holtmann <[e-mail]>

net/bluetooth/amp.c

···
 {
 	struct amp_ctrl *ctrl;
 
-	BT_DBG("mgr %p id %d", mgr, id);
+	BT_DBG("mgr %p id %u", mgr, id);
 
 	mutex_lock(&mgr->amp_ctrls_lock);
 	list_for_each_entry(ctrl, &mgr->amp_ctrls, list) {
···
 
 	/* Legacy key */
 	if (conn->key_type < 3) {
-		bt_dev_err(hdev, "legacy key type %d", conn->key_type);
+		bt_dev_err(hdev, "legacy key type %u", conn->key_type);
 		return -EACCES;
 	}
 
···
 	struct hci_request req;
 	int err;
 
-	BT_DBG("%s handle %d", hdev->name, phy_handle);
+	BT_DBG("%s handle %u", hdev->name, phy_handle);
 
 	cp.phy_handle = phy_handle;
 	cp.max_len = cpu_to_le16(hdev->amp_assoc_size);