Bluetooth: Do not auto off AMP controller

Since AMP controller is not managed by user space do not shut it down.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 32dcb09..f932d66 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1743,8 +1743,11 @@
 		}
 	}
 
-	set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
 	set_bit(HCI_SETUP, &hdev->dev_flags);
+
+	if (hdev->dev_type != HCI_AMP)
+		set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
+
 	schedule_work(&hdev->power_on);
 
 	hci_notify(hdev, HCI_DEV_REG);