Bluetooth: Host: init bt_workq and cancel rpa_update work
Bluetooth: Host: init bt_workq and cancel rpa_update work

Init bt_workq in bt_enable so it can be safely disabled.

Cancel rpa_update work upon disable as it is no longer required.

Signed-off-by: Sean Madigan <dfa820cb0b4d5943ae4c7528ff0adf0dad514755@nordicsemi.no>

zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr