Bluetooth: Move command task to workqueue

As part of the moving on all the Bluetooth processing to Process context.

Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 93ecb2d..23466bb 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2112,7 +2112,7 @@
 	if (ev->ncmd) {
 		atomic_set(&hdev->cmd_cnt, 1);
 		if (!skb_queue_empty(&hdev->cmd_q))
-			tasklet_schedule(&hdev->cmd_task);
+			queue_work(hdev->workqueue, &hdev->cmd_work);
 	}
 }
 
@@ -2194,7 +2194,7 @@
 	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
 		atomic_set(&hdev->cmd_cnt, 1);
 		if (!skb_queue_empty(&hdev->cmd_q))
-			tasklet_schedule(&hdev->cmd_task);
+			queue_work(hdev->workqueue, &hdev->cmd_work);
 	}
 }