ath3k: update AR3012 2.2.1 firmware with v.170

This is the latest firmware version for AR3012 2.2.1.
This also includes configuration file for coex support,
where all Bluetooth traffic is treated as high priority.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Kyle McMartin <kyle@kernel.org>