Bluetooth: Controller: Fix Periodic Advertising PDU ACAD set and clear
Bluetooth: Controller: Fix Periodic Advertising PDU ACAD set and clear

Fix Periodic Advertising PDU ACAD set and clear interface to
support updating ACAD when previous and new PDU buffer are
same (i.e. when previous new PDU not consumed yet by LLL).

Signed-off-by: Vinayak Kariappa Chettimada <e780c9f87dc729ad454f47292ad82c8652353064@nordicsemi.no>

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