bluetooth: hci_ath: add device tree support for atheros driver

HCI Atheros driver first checks for device tree node and if it
does not exists then checks for the platform data from the
board file.

Change-Id: I92e1cfce0d0bf074eb3baab921674e291bb462e6
Signed-off-by: Ram Mohan Korukonda <rkorukon@codeaurora.org>
2 files changed