Bluetooth: Notify Bluesleep driver about HCI send frame.

Bluesleep driver, out-of-band sleep protocol, needs to be
notified in case of MSM initiated datatransfer to wakeup
BTS chip. This notification is required to turn on UART
clocks. This change was missing in the .38 kernel
which is vital for Bluetooth to work in 7x27.

Change-Id: I6e2004c13d140901c9bdee7a98ca43e2f9c07dc3
Signed-off-by: NaveenKumar <naveenr@codeaurora.org>

include/net/bluetooth/hci.h

@@ -37,6 +37,7 @@
 #define HCI_DEV_DOWN			4
 #define HCI_DEV_SUSPEND			5
 #define HCI_DEV_RESUME			6
+#define HCI_DEV_WRITE			7
 
 /* HCI notify events */
 #define HCI_NOTIFY_CONN_ADD		1

net/bluetooth/hci_core.c

@@ -1885,6 +1885,7 @@ static int hci_send_frame(struct sk_buff *skb)
 	/* Get rid of skb owner, prior to sending to the driver. */
 	skb_orphan(skb);
 
+	hci_notify(hdev, HCI_DEV_WRITE);
 	return hdev->send(skb);
 }