Bluetooth: btusb: mediatek: readx_poll_timeout replaces open coding

Use readx_poll_timeout instead of open coding to poll the hardware reset
status until it is done.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
1 file changed