HACK way to fix bluetooth file transfer

.. which revert all bluedroid implementation

Signed-off-by: Keff <funnykeff91@gmail.com>
Bluetooth: Add Sleep Support using GPIO for ATH3K driver.

Two additional GPIO pins are used to support sleep mechanism
between Host and Atheros BT SoC.

Change-Id: If7d49e23d285b8e416af729314cffdf7c62da136
Signed-off-by: Santosh Sajjan <ssajjan@codeaurora.org>
Signed-off-by: Ram Mohan Korukonda <rkorukon@codeaurora.org>
Bluetooth: hci_ath: Remove un-used variable

Compilation failed due to un-used variable when
CONFIG_BT_HCIUART_ATH3K is set to true.

Change-Id: Idf6f38f64704d979dd6d3443f4a0bd792e00553e
Signed-off-by: Ram Mohan Korukonda <rkorukon@codeaurora.org>
Bluetooth: hci_ath: Support BT Power Save mode on AR3002

Configure AR3002 wake up pins properly to enable BT
Power save mode.

Change-Id: Idefe3276d60ca4993700de5337dd75b181986eb2
Signed-off-by: Ram Mohan Korukonda <rkorukon@codeaurora.org>