Bluetooth: controller: Handle Rej Ext Ind for Length Req PDU
Bluetooth: controller: Handle Rej Ext Ind for Length Req PDU

Added implementation to handle an incoming Reject Ext Ind PDU in
response to a sent Length Req PDU.

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

bigdinotech/zephyr,bigdinotech/zephyr,bigdinotech/zephyr,bigdinotech/zephyr,bigdinotech/zephyr